diff --git a/lib/processor.js b/lib/processor.js
index 8eaa53f08..28d565933 100644
--- a/lib/processor.js
+++ b/lib/processor.js
@@ -3,6 +3,7 @@ const Value = require('./value');
 const OLD_LINEAR = /(^|[^-])linear-gradient\(\s*(top|left|right|bottom)/i;
 const OLD_RADIAL = /(^|[^-])radial-gradient\(\s*\d+(\w*|%)\s+\d+(\w*|%)\s*,/i;
 const RADIAL_BLOCK = /\(((?:[^)(]+|\((?:[^)(]+|\([^)(]*\))*\))*)\)/i;
+const IGNORE_NEXT = /(!\s*)?autoprefixer:\s*ignore\s+next/i;
 
 const SIZES = [
     'width', 'height', 'min-width', 'max-width',
@@ -339,19 +340,16 @@ class Processor {
      */
     disabled(node, result) {
         if (!node) return false;
+
         if (node._autoprefixerDisabled !== undefined) {
             return node._autoprefixerDisabled;
         }
-        if (node.parent) {
-            const previousNode = node.prev();
-            if (previousNode &&
-                previousNode.type === 'comment' &&
-                /(!\s*)?autoprefixer:\s*ignore\s+next/i
-                    .test(previousNode.text)) {
-                node._autoprefixerDisabled = true;
-                node._autoprefixerOnlySelfDisabled = true;
-                return node._autoprefixerDisabled;
-            }
+
+        const prev = node.prev();
+        if (prev && prev.type === 'comment' && IGNORE_NEXT.test(prev.text)) {
+            node._autoprefixerDisabled = true;
+            node._autoprefixerOnlySelfDisabled = true;
+            return node._autoprefixerDisabled;
         }
 
         let value = null;