diff --git a/src/rules/spaceBeforeFunctionParenRule.ts b/src/rules/spaceBeforeFunctionParenRule.ts
index 283e90ec178..558d3e18371 100644
--- a/src/rules/spaceBeforeFunctionParenRule.ts
+++ b/src/rules/spaceBeforeFunctionParenRule.ts
@@ -116,8 +116,8 @@ function getOption(node: ts.Node, options: Options): Option | undefined {
             return options.constructor;
 
         case ts.SyntaxKind.FunctionDeclaration:
-            return options.named;
-
+            // name is optional for function declaration which is default export (TS will emit error in other cases).
+            // Can be handled in the same way as function expression.
         case ts.SyntaxKind.FunctionExpression:
             return (node as ts.FunctionExpression).name !== undefined ? options.named : options.anonymous;
 
diff --git a/test/rules/space-before-function-paren/always/test.ts.fix b/test/rules/space-before-function-paren/always/test.ts.fix
index a297321de26..a6228929272 100644
--- a/test/rules/space-before-function-paren/always/test.ts.fix
+++ b/test/rules/space-before-function-paren/always/test.ts.fix
@@ -22,6 +22,9 @@ var f = function foobar (): void{
 var f = function foobar (a: string, cb: ()=>{}): void{};
 
 
+// Default export (name ommited)
+export default function () {}
+
 // Async Arrow
 // ignore
 () => {};
diff --git a/test/rules/space-before-function-paren/always/test.ts.lint b/test/rules/space-before-function-paren/always/test.ts.lint
index 134ce574a5f..e552e11524c 100644
--- a/test/rules/space-before-function-paren/always/test.ts.lint
+++ b/test/rules/space-before-function-paren/always/test.ts.lint
@@ -34,6 +34,10 @@ var f = function foobar(a: string, cb: ()=>{}): void{};
                        ~  [space-before-function-paren]
 
 
+// Default export (name ommited)
+export default function() {}
+                       ~  [space-before-function-paren]
+
 // Async Arrow
 // ignore
 () => {};
diff --git a/test/rules/space-before-function-paren/mixed/test.ts.fix b/test/rules/space-before-function-paren/mixed/test.ts.fix
index 1546d57add6..115b10e7340 100644
--- a/test/rules/space-before-function-paren/mixed/test.ts.fix
+++ b/test/rules/space-before-function-paren/mixed/test.ts.fix
@@ -16,6 +16,8 @@ var f = function foobar(): void{
 };
 var f = function foobar(a: string, cb: ()=>{}): void{};
 
+// Default export (name ommited)
+export default function () {}
 
 // Async Arrow
 // ignore
diff --git a/test/rules/space-before-function-paren/mixed/test.ts.lint b/test/rules/space-before-function-paren/mixed/test.ts.lint
index aa28f957418..09298386964 100644
--- a/test/rules/space-before-function-paren/mixed/test.ts.lint
+++ b/test/rules/space-before-function-paren/mixed/test.ts.lint
@@ -25,6 +25,9 @@ var f = function foobar (): void{
 var f = function foobar (a: string, cb: ()=>{}): void{};
                        ~  [invalid-space]
 
+// Default export (name ommited)
+export default function() {}
+                       ~  [missing-space]
 
 // Async Arrow
 // ignore
diff --git a/test/rules/space-before-function-paren/never/test.ts.fix b/test/rules/space-before-function-paren/never/test.ts.fix
index 237fc3a0d22..73856016928 100644
--- a/test/rules/space-before-function-paren/never/test.ts.fix
+++ b/test/rules/space-before-function-paren/never/test.ts.fix
@@ -21,6 +21,8 @@ var f = function foobar(): void{
 };
 var f = function foobar(a: string, cb: ()=>{}): void{};
 
+// Default export (name ommited)
+export default function() {}
 
 // Async Arrow
 // ignore
diff --git a/test/rules/space-before-function-paren/never/test.ts.lint b/test/rules/space-before-function-paren/never/test.ts.lint
index fb34e87535f..dd67e06b713 100644
--- a/test/rules/space-before-function-paren/never/test.ts.lint
+++ b/test/rules/space-before-function-paren/never/test.ts.lint
@@ -33,6 +33,9 @@ var f = function foobar (): void{
 var f = function foobar (a: string, cb: ()=>{}): void{};
                        ~ [0]
 
+// Default export (name ommited)
+export default function () {}
+                       ~ [0]
 
 // Async Arrow
 // ignore