diff --git a/lib/generator/index.js b/lib/generator/index.js
index 3e6425b5..28d35152 100644
--- a/lib/generator/index.js
+++ b/lib/generator/index.js
@@ -2,41 +2,33 @@
 
 var hasOwnProperty = Object.prototype.hasOwnProperty;
 
-function each(list) {
+function each(processChunk, list) {
     var cursor = list.head;
-    var result = [];
 
     while (cursor !== null) {
-        result.push(this.generate(cursor.data, cursor, list));
+        this.generate(processChunk, cursor.data, cursor, list);
         cursor = cursor.next;
     }
-
-    return result;
 }
 
-function eachComma(list) {
+function eachComma(processChunk, list) {
     var cursor = list.head;
-    var result = [];
 
     while (cursor !== null) {
         if (cursor.prev) {
-            result.push(',', this.generate(cursor.data));
-        } else {
-            result.push(this.generate(cursor.data));
+            processChunk(',');
         }
 
+        this.generate(processChunk, cursor.data, cursor, list);
         cursor = cursor.next;
     }
-
-    return result;
 }
 
 function createGenerator(types) {
     var context = {
-        generate: function(node, item, list) {
+        generate: function(processChunk, node, item, list) {
             if (hasOwnProperty.call(types, node.type)) {
-                var ret = types[node.type].call(this, node, item, list);
-                return typeof ret === 'string' ? ret : ret.join('');
+                types[node.type].call(this, processChunk, node, item, list);
             } else {
                 throw new Error('Unknown node type: ' + node.type);
             }
@@ -45,19 +37,30 @@ function createGenerator(types) {
         eachComma: eachComma
     };
 
-    return function(node) {
-        return context.generate(node);
+    return function(node, fn) {
+        if (typeof fn !== 'function') {
+            var buffer = [];
+            context.generate(function() {
+                buffer.push.apply(buffer, arguments);
+            }, node);
+            return buffer.join('');
+        }
+        context.generate(fn, node);
     };
 }
 
 function createMarkupGenerator(types) {
     var context = {
-        generate: function(node, item, list) {
+        generate: function(buffer, node, item, list) {
             if (hasOwnProperty.call(types, node.type)) {
-                return {
+                var nodeBuffer = [];
+                types[node.type].call(this, function() {
+                    nodeBuffer.push.apply(nodeBuffer, arguments);
+                }, node, item, list);
+                buffer({
                     node: node,
-                    value: types[node.type].call(this, node, item, list)
-                };
+                    value: nodeBuffer
+                });
             } else {
                 throw new Error('Unknown node type: ' + node.type);
             }
@@ -96,7 +99,11 @@ function createMarkupGenerator(types) {
             after = function() {};
         }
 
-        return walk(context.generate(node), '');
+        var buffer = [];
+        context.generate(function() {
+            buffer.push.apply(buffer, arguments);
+        }, node);
+        return walk(buffer[0], '');
     };
 }
 
diff --git a/lib/syntax/node/AnPlusB.js b/lib/syntax/node/AnPlusB.js
index 1bd186ef..cf2752a5 100644
--- a/lib/syntax/node/AnPlusB.js
+++ b/lib/syntax/node/AnPlusB.js
@@ -151,29 +151,27 @@ module.exports = {
             b: b
         };
     },
-    generate: function(node) {
+    generate: function(processChunk, node) {
         var a = node.a !== null && node.a !== undefined;
         var b = node.b !== null && node.b !== undefined;
-        var result;
 
         if (a) {
-            result =
+            processChunk(
                 node.a === '+1' || node.a === '1' ? 'n' :
                 node.a === '-1' ? '-n' :
-                node.a + 'n';
+                node.a + 'n'
+            );
 
             if (b) {
                 b = String(node.b);
                 if (b.charAt(0) === '-' || b.charAt(0) === '+') {
-                    result = [result, b.charAt(0), b.substr(1)];
+                    processChunk(b.charAt(0), b.substr(1));
                 } else {
-                    result = [result, '+', b];
+                    processChunk('+', b);
                 }
             }
         } else {
-            result = String(node.b);
+            processChunk(String(node.b));
         }
-
-        return result;
     }
 };
diff --git a/lib/syntax/node/Atrule.js b/lib/syntax/node/Atrule.js
index fc61f5e2..16a6d9b6 100644
--- a/lib/syntax/node/Atrule.js
+++ b/lib/syntax/node/Atrule.js
@@ -83,16 +83,19 @@ module.exports = {
             block: block
         };
     },
-    generate: function(node) {
-        var result = ['@', node.name];
+    generate: function(processChunk, node) {
+        processChunk('@', node.name);
 
         if (node.expression !== null) {
-            result.push(' ', this.generate(node.expression));
+            processChunk(' ');
+            this.generate(processChunk, node.expression);
         }
 
-        result.push(node.block ? this.generate(node.block) : ';');
-
-        return result;
+        if (node.block) {
+            this.generate(processChunk, node.block);
+        } else {
+            processChunk(';');
+        }
     },
     walkContext: 'atrule'
 };
diff --git a/lib/syntax/node/AtruleExpression.js b/lib/syntax/node/AtruleExpression.js
index d8c0f5d4..38ce2754 100644
--- a/lib/syntax/node/AtruleExpression.js
+++ b/lib/syntax/node/AtruleExpression.js
@@ -37,8 +37,8 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     },
     walkContext: 'atruleExpression'
 };
diff --git a/lib/syntax/node/AttributeSelector.js b/lib/syntax/node/AttributeSelector.js
index f26a5a70..0f8c1f0e 100644
--- a/lib/syntax/node/AttributeSelector.js
+++ b/lib/syntax/node/AttributeSelector.js
@@ -133,15 +133,17 @@ module.exports = {
             flags: flags
         };
     },
-    generate: function(node) {
-        var result = ['[', this.generate(node.name)];
+    generate: function(processChunk, node) {
         var flagsPrefix = ' ';
 
+        processChunk('[');
+        this.generate(processChunk, node.name);
+
         if (node.operator !== null) {
-            result.push(node.operator);
+            processChunk(node.operator);
 
             if (node.value !== null) {
-                result.push(this.generate(node.value));
+                this.generate(processChunk, node.value);
 
                 // space between string and flags is not required
                 if (node.value.type === 'String') {
@@ -151,11 +153,9 @@ module.exports = {
         }
 
         if (node.flags !== null) {
-            result.push(flagsPrefix, node.flags);
+            processChunk(flagsPrefix, node.flags);
         }
 
-        result.push(']');
-
-        return result;
+        processChunk(']');
     }
 };
diff --git a/lib/syntax/node/Block.js b/lib/syntax/node/Block.js
index 8deaa95c..dc38c30d 100644
--- a/lib/syntax/node/Block.js
+++ b/lib/syntax/node/Block.js
@@ -50,8 +50,10 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return [].concat('{', this.each(node.children), '}');
+    generate: function(processChunk, node) {
+        processChunk('{');
+        this.each(processChunk, node.children);
+        processChunk('}');
     },
     walkContext: 'block'
 };
diff --git a/lib/syntax/node/Brackets.js b/lib/syntax/node/Brackets.js
index fe5b3527..915c59aa 100644
--- a/lib/syntax/node/Brackets.js
+++ b/lib/syntax/node/Brackets.js
@@ -24,7 +24,9 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return [].concat('[', this.each(node.children), ']');
+    generate: function(processChunk, node) {
+        processChunk('[');
+        this.each(processChunk, node.children);
+        processChunk(']');
     }
 };
diff --git a/lib/syntax/node/CDC.js b/lib/syntax/node/CDC.js
index d922d23b..d9e28b9b 100644
--- a/lib/syntax/node/CDC.js
+++ b/lib/syntax/node/CDC.js
@@ -13,7 +13,7 @@ module.exports = {
             loc: this.getLocation(start, this.scanner.tokenStart)
         };
     },
-    generate: function() {
-        return '-->';
+    generate: function(processChunk) {
+        processChunk('-->');
     }
 };
diff --git a/lib/syntax/node/CDO.js b/lib/syntax/node/CDO.js
index 3a79eef7..fd9e3f69 100644
--- a/lib/syntax/node/CDO.js
+++ b/lib/syntax/node/CDO.js
@@ -13,7 +13,7 @@ module.exports = {
             loc: this.getLocation(start, this.scanner.tokenStart)
         };
     },
-    generate: function() {
-        return '<!--';
+    generate: function(processChunk) {
+        processChunk('<!--');
     }
 };
diff --git a/lib/syntax/node/ClassSelector.js b/lib/syntax/node/ClassSelector.js
index 537ce2da..0c44871c 100644
--- a/lib/syntax/node/ClassSelector.js
+++ b/lib/syntax/node/ClassSelector.js
@@ -17,7 +17,7 @@ module.exports = {
             name: this.scanner.consume(IDENTIFIER)
         };
     },
-    generate: function(node) {
-        return '.' + node.name;
+    generate: function(processChunk, node) {
+        processChunk('.', node.name);
     }
 };
diff --git a/lib/syntax/node/Combinator.js b/lib/syntax/node/Combinator.js
index 92346f2e..0b7e5f65 100644
--- a/lib/syntax/node/Combinator.js
+++ b/lib/syntax/node/Combinator.js
@@ -37,7 +37,7 @@ module.exports = {
             name: this.scanner.substrToCursor(start)
         };
     },
-    generate: function(node) {
-        return node.name;
+    generate: function(processChunk, node) {
+        processChunk(node.name);
     }
 };
diff --git a/lib/syntax/node/Comment.js b/lib/syntax/node/Comment.js
index 84845e95..b9534912 100644
--- a/lib/syntax/node/Comment.js
+++ b/lib/syntax/node/Comment.js
@@ -27,7 +27,7 @@ module.exports = {
             value: this.scanner.source.substring(start + 2, end)
         };
     },
-    generate: function(node) {
-        return '/*' + node.value + '*/';
+    generate: function(processChunk, node) {
+        processChunk('/*', node.value, '*/');
     }
 };
diff --git a/lib/syntax/node/Declaration.js b/lib/syntax/node/Declaration.js
index a9ca5d6c..2d7100b8 100644
--- a/lib/syntax/node/Declaration.js
+++ b/lib/syntax/node/Declaration.js
@@ -61,18 +61,17 @@ module.exports = {
             value: value
         };
     },
-    generate: function(node, item) {
-        var result = [node.property, ':', this.generate(node.value)];
+    generate: function(processChunk, node, item) {
+        processChunk(node.property, ':');
+        this.generate(processChunk, node.value);
 
         if (node.important) {
-            result.push(node.important === true ? '!important' : '!' + node.important);
+            processChunk(node.important === true ? '!important' : '!' + node.important);
         }
 
         if (item && item.next) {
-            result.push(';');
+            processChunk(';');
         }
-
-        return result;
     },
     walkContext: 'declaration'
 };
diff --git a/lib/syntax/node/DeclarationList.js b/lib/syntax/node/DeclarationList.js
index fdb10a4d..f4f667e7 100644
--- a/lib/syntax/node/DeclarationList.js
+++ b/lib/syntax/node/DeclarationList.js
@@ -33,7 +33,7 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     }
 };
diff --git a/lib/syntax/node/Dimension.js b/lib/syntax/node/Dimension.js
index c8711d76..d970c0a8 100644
--- a/lib/syntax/node/Dimension.js
+++ b/lib/syntax/node/Dimension.js
@@ -38,7 +38,7 @@ module.exports = {
             unit: unit
         };
     },
-    generate: function(node) {
-        return node.value + node.unit;
+    generate: function(processChunk, node) {
+        processChunk(node.value, node.unit);
     }
 };
diff --git a/lib/syntax/node/Function.js b/lib/syntax/node/Function.js
index a7f0b110..5afbafb9 100644
--- a/lib/syntax/node/Function.js
+++ b/lib/syntax/node/Function.js
@@ -32,8 +32,10 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return [].concat(node.name + '(', this.each(node.children), ')');
+    generate: function(processChunk, node) {
+        processChunk(node.name, '(');
+        this.each(processChunk, node.children);
+        processChunk(')');
     },
     walkContext: 'function'
 };
diff --git a/lib/syntax/node/HexColor.js b/lib/syntax/node/HexColor.js
index 37084a25..b6b54cca 100644
--- a/lib/syntax/node/HexColor.js
+++ b/lib/syntax/node/HexColor.js
@@ -67,7 +67,7 @@ module.exports = {
             value: this.scanner.substrToCursor(start + 1) // skip #
         };
     },
-    generate: function(node) {
-        return '#' + node.value;
+    generate: function(processChunk, node) {
+        processChunk('#', node.value);
     }
 };
diff --git a/lib/syntax/node/IdSelector.js b/lib/syntax/node/IdSelector.js
index 72338fc1..df2afd07 100644
--- a/lib/syntax/node/IdSelector.js
+++ b/lib/syntax/node/IdSelector.js
@@ -17,7 +17,7 @@ module.exports = {
             name: this.scanner.consume(IDENTIFIER)
         };
     },
-    generate: function(node) {
-        return '#' + node.name;
+    generate: function(processChunk, node) {
+        processChunk('#', node.name);
     }
 };
diff --git a/lib/syntax/node/Identifier.js b/lib/syntax/node/Identifier.js
index fad056ae..8e2a7790 100644
--- a/lib/syntax/node/Identifier.js
+++ b/lib/syntax/node/Identifier.js
@@ -13,7 +13,7 @@ module.exports = {
             name: this.scanner.consume(IDENTIFIER)
         };
     },
-    generate: function(node) {
-        return node.name;
+    generate: function(processChunk, node) {
+        processChunk(node.name);
     }
 };
diff --git a/lib/syntax/node/MediaFeature.js b/lib/syntax/node/MediaFeature.js
index 26100792..e198e209 100644
--- a/lib/syntax/node/MediaFeature.js
+++ b/lib/syntax/node/MediaFeature.js
@@ -61,9 +61,12 @@ module.exports = {
             value: value
         };
     },
-    generate: function(node) {
-        return node.value !== null
-            ? ['(', node.name, ':', this.generate(node.value), ')']
-            : ['(', node.name, ')'];
+    generate: function(processChunk, node) {
+        processChunk('(', node.name);
+        if (node.value !== null) {
+            processChunk(':');
+            this.generate(processChunk, node.value);
+        }
+        processChunk(')');
     }
 };
diff --git a/lib/syntax/node/MediaQuery.js b/lib/syntax/node/MediaQuery.js
index 97ffe89d..b80adda7 100644
--- a/lib/syntax/node/MediaQuery.js
+++ b/lib/syntax/node/MediaQuery.js
@@ -59,7 +59,7 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     }
 };
diff --git a/lib/syntax/node/MediaQueryList.js b/lib/syntax/node/MediaQueryList.js
index ed8e465a..28e06920 100644
--- a/lib/syntax/node/MediaQueryList.js
+++ b/lib/syntax/node/MediaQueryList.js
@@ -27,7 +27,7 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.eachComma(node.children);
+    generate: function(processChunk, node) {
+        this.eachComma(processChunk, node.children);
     }
 };
diff --git a/lib/syntax/node/Nth.js b/lib/syntax/node/Nth.js
index e3ee61c9..c1e26fa7 100644
--- a/lib/syntax/node/Nth.js
+++ b/lib/syntax/node/Nth.js
@@ -42,9 +42,11 @@ module.exports = {
             selector: selector
         };
     },
-    generate: function(node) {
-        return node.selector !== null
-            ? [this.generate(node.nth), ' of ', this.generate(node.selector)]
-            : [this.generate(node.nth)];
+    generate: function(processChunk, node) {
+        this.generate(processChunk, node.nth);
+        if (node.selector !== null) {
+            processChunk(' of ');
+            this.generate(processChunk, node.selector);
+        }
     }
 };
diff --git a/lib/syntax/node/Number.js b/lib/syntax/node/Number.js
index 12fbd3e0..dafc997a 100644
--- a/lib/syntax/node/Number.js
+++ b/lib/syntax/node/Number.js
@@ -12,7 +12,7 @@ module.exports = {
             value: this.scanner.consume(NUMBER)
         };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };
diff --git a/lib/syntax/node/Operator.js b/lib/syntax/node/Operator.js
index fce31045..9d950685 100644
--- a/lib/syntax/node/Operator.js
+++ b/lib/syntax/node/Operator.js
@@ -15,7 +15,7 @@ module.exports = {
             value: this.scanner.substrToCursor(start)
         };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };
diff --git a/lib/syntax/node/Parentheses.js b/lib/syntax/node/Parentheses.js
index b0960c14..50f8f253 100644
--- a/lib/syntax/node/Parentheses.js
+++ b/lib/syntax/node/Parentheses.js
@@ -21,7 +21,9 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return [].concat('(', this.each(node.children), ')');
+    generate: function(processChunk, node) {
+        processChunk('(');
+        this.each(processChunk, node.children);
+        processChunk(')');
     }
 };
diff --git a/lib/syntax/node/Percentage.js b/lib/syntax/node/Percentage.js
index f54bc7a4..451c79bb 100644
--- a/lib/syntax/node/Percentage.js
+++ b/lib/syntax/node/Percentage.js
@@ -20,7 +20,7 @@ module.exports = {
             value: number
         };
     },
-    generate: function(node) {
-        return node.value + '%';
+    generate: function(processChunk, node) {
+        processChunk(node.value, '%');
     }
 };
diff --git a/lib/syntax/node/PseudoClassSelector.js b/lib/syntax/node/PseudoClassSelector.js
index fc212a67..d887f31b 100644
--- a/lib/syntax/node/PseudoClassSelector.js
+++ b/lib/syntax/node/PseudoClassSelector.js
@@ -46,10 +46,14 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return node.children !== null
-            ? [].concat(':' + node.name + '(', this.each(node.children), ')')
-            : ':' + node.name;
+    generate: function(processChunk, node) {
+        processChunk(':', node.name);
+
+        if (node.children !== null) {
+            processChunk('(');
+            this.each(processChunk, node.children);
+            processChunk(')');
+        }
     },
     walkContext: 'function'
 };
diff --git a/lib/syntax/node/PseudoElementSelector.js b/lib/syntax/node/PseudoElementSelector.js
index 2f039ae0..0cfd0ba2 100644
--- a/lib/syntax/node/PseudoElementSelector.js
+++ b/lib/syntax/node/PseudoElementSelector.js
@@ -47,10 +47,14 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return node.children !== null
-            ? [].concat('::' + node.name + '(', this.each(node.children), ')')
-            : '::' + node.name;
+    generate: function(processChunk, node) {
+        processChunk('::', node.name);
+
+        if (node.children !== null) {
+            processChunk('(');
+            this.each(processChunk, node.children);
+            processChunk(')');
+        }
     },
     walkContext: 'function'
 };
diff --git a/lib/syntax/node/Ratio.js b/lib/syntax/node/Ratio.js
index cdc5ffa3..ca83e696 100644
--- a/lib/syntax/node/Ratio.js
+++ b/lib/syntax/node/Ratio.js
@@ -49,7 +49,7 @@ module.exports = {
             right: right
         };
     },
-    generate: function(node) {
-        return [node.left, '/', node.right];
+    generate: function(processChunk, node) {
+        processChunk(node.left, '/', node.right);
     }
 };
diff --git a/lib/syntax/node/Raw.js b/lib/syntax/node/Raw.js
index 2946ae75..f0d97af3 100644
--- a/lib/syntax/node/Raw.js
+++ b/lib/syntax/node/Raw.js
@@ -81,7 +81,7 @@ module.exports = {
             value: this.scanner.substrToCursor(start)
         };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };
diff --git a/lib/syntax/node/Rule.js b/lib/syntax/node/Rule.js
index c09c314f..475e1ea2 100644
--- a/lib/syntax/node/Rule.js
+++ b/lib/syntax/node/Rule.js
@@ -20,11 +20,9 @@ module.exports = {
             block: block
         };
     },
-    generate: function(node) {
-        return [
-            this.generate(node.selector),
-            this.generate(node.block)
-        ];
+    generate: function(processChunk, node) {
+        this.generate(processChunk, node.selector),
+        this.generate(processChunk, node.block);
     },
     walkContext: 'rule'
 };
diff --git a/lib/syntax/node/Selector.js b/lib/syntax/node/Selector.js
index d10db5df..335a59f6 100644
--- a/lib/syntax/node/Selector.js
+++ b/lib/syntax/node/Selector.js
@@ -26,7 +26,7 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     }
 };
diff --git a/lib/syntax/node/SelectorList.js b/lib/syntax/node/SelectorList.js
index ea6ac437..52916810 100644
--- a/lib/syntax/node/SelectorList.js
+++ b/lib/syntax/node/SelectorList.js
@@ -33,8 +33,8 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.eachComma(node.children);
+    generate: function(processChunk, node) {
+        this.eachComma(processChunk, node.children);
     },
     walkContext: 'selector'
 };
diff --git a/lib/syntax/node/String.js b/lib/syntax/node/String.js
index 93ce374a..c0d7b785 100644
--- a/lib/syntax/node/String.js
+++ b/lib/syntax/node/String.js
@@ -12,7 +12,7 @@ module.exports = {
             value: this.scanner.consume(STRING)
         };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };
diff --git a/lib/syntax/node/StyleSheet.js b/lib/syntax/node/StyleSheet.js
index 8d97bd52..a6652582 100644
--- a/lib/syntax/node/StyleSheet.js
+++ b/lib/syntax/node/StyleSheet.js
@@ -60,8 +60,8 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     },
     walkContext: 'stylesheet'
 };
diff --git a/lib/syntax/node/TypeSelector.js b/lib/syntax/node/TypeSelector.js
index e25cb4ec..02f5ee33 100644
--- a/lib/syntax/node/TypeSelector.js
+++ b/lib/syntax/node/TypeSelector.js
@@ -47,7 +47,7 @@ module.exports = {
             name: this.scanner.substrToCursor(start)
         };
     },
-    generate: function(node) {
-        return node.name;
+    generate: function(processChunk, node) {
+        processChunk(node.name);
     }
 };
diff --git a/lib/syntax/node/UnicodeRange.js b/lib/syntax/node/UnicodeRange.js
index ecf99797..7b666653 100644
--- a/lib/syntax/node/UnicodeRange.js
+++ b/lib/syntax/node/UnicodeRange.js
@@ -119,7 +119,7 @@ module.exports = {
             value: this.scanner.substrToCursor(start)
         };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };
diff --git a/lib/syntax/node/Url.js b/lib/syntax/node/Url.js
index ae279f74..90ad369d 100644
--- a/lib/syntax/node/Url.js
+++ b/lib/syntax/node/Url.js
@@ -34,7 +34,9 @@ module.exports = {
             value: value
         };
     },
-    generate: function(node) {
-        return ['url(', this.generate(node.value), ')'];
+    generate: function(processChunk, node) {
+        processChunk('url', '(');
+        this.generate(processChunk, node.value);
+        processChunk(')');
     }
 };
diff --git a/lib/syntax/node/Value.js b/lib/syntax/node/Value.js
index 9eb9c4ed..5883cd82 100644
--- a/lib/syntax/node/Value.js
+++ b/lib/syntax/node/Value.js
@@ -56,7 +56,7 @@ module.exports = {
             children: children
         };
     },
-    generate: function(node) {
-        return this.each(node.children);
+    generate: function(processChunk, node) {
+        this.each(processChunk, node.children);
     }
 };
diff --git a/lib/syntax/node/WhiteSpace.js b/lib/syntax/node/WhiteSpace.js
index b09f5e14..4e378218 100644
--- a/lib/syntax/node/WhiteSpace.js
+++ b/lib/syntax/node/WhiteSpace.js
@@ -20,7 +20,7 @@ module.exports = {
         //     value: this.scanner.consume(WHITESPACE)
         // };
     },
-    generate: function(node) {
-        return node.value;
+    generate: function(processChunk, node) {
+        processChunk(node.value);
     }
 };