diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 3a1a6d639a1..4ff0886db49 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -178,6 +178,14 @@ module ts {
             });
         }
 
+        function emitNewLineBeforeLeadingComments(node: Node, leadingComments: Comment[], writer: EmitTextWriter) {
+            // If the leading comments start on different line than the start of node, write new line
+            if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos &&
+                currentSourceFile.getLineAndCharacterFromPosition(node.pos).line !== currentSourceFile.getLineAndCharacterFromPosition(leadingComments[0].pos).line) {
+                writer.writeLine();
+            }
+        }
+
         function writeCommentRange(comment: Comment, writer: EmitTextWriter) {
             writer.writeLiteral(currentSourceFile.text.substring(comment.pos, comment.end));
         }
@@ -1932,11 +1940,7 @@ module ts {
 
             function emitLeadingDeclarationComments(node: Declaration) {
                 var leadingComments = getLeadingComments(currentSourceFile.text, node.pos);
-                // If the leading comments start on different line than the start of node, write new line
-                if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos &&
-                    currentSourceFile.getLineAndCharacterFromPosition(node.pos).line !== currentSourceFile.getLineAndCharacterFromPosition(leadingComments[0].pos).line) {
-                    writer.writeLine();
-                }
+                emitNewLineBeforeLeadingComments(node, leadingComments, writer);
                 emitComments(leadingComments, writer, writeComment);
             }
 
@@ -2063,6 +2067,7 @@ module ts {
             function writeJsDocComments(declaration: Declaration) {
                 if (declaration) {
                     var jsDocComments = getJsDocComments(declaration, currentSourceFile);
+                    emitNewLineBeforeLeadingComments(declaration, jsDocComments, writer);
                     emitComments(jsDocComments, writer, writeCommentRange);
                 }
             }
diff --git a/tests/baselines/reference/commentsFunction.js b/tests/baselines/reference/commentsFunction.js
index b54bc4b9217..e82b5709376 100644
--- a/tests/baselines/reference/commentsFunction.js
+++ b/tests/baselines/reference/commentsFunction.js
@@ -75,7 +75,8 @@ lambdaFoo = function (a, b) { return a * b; };
 /** This comment should appear for foo*/
 declare function foo(): void;
 /** This is comment for function signature*/
-declare function fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+declare function fooWithParameters(/** this is comment about a*/ a: string, 
+    /** this is comment for b*/
     b: number): void;
 /** fooFunc
  * comment
diff --git a/tests/baselines/reference/declFileCallSignatures.js b/tests/baselines/reference/declFileCallSignatures.js
index 6b2be9bae03..2d4519b2090 100644
--- a/tests/baselines/reference/declFileCallSignatures.js
+++ b/tests/baselines/reference/declFileCallSignatures.js
@@ -76,7 +76,8 @@ export interface ICallSignature {
 }
 export interface ICallSignatureWithParameters {
     /** This is comment for function signature*/
-    (/** this is comment about a*/ a: string, /** this is comment for b*/
+    (/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
 }
 export interface ICallSignatureWithRestParameters {
@@ -100,7 +101,8 @@ interface IGlobalCallSignature {
 }
 interface IGlobalCallSignatureWithParameters {
     /** This is comment for function signature*/
-    (/** this is comment about a*/ a: string, /** this is comment for b*/
+    (/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
 }
 interface IGlobalCallSignatureWithRestParameters {
diff --git a/tests/baselines/reference/declFileConstructSignatures.js b/tests/baselines/reference/declFileConstructSignatures.js
index 4a0643389f4..ae756e32eed 100644
--- a/tests/baselines/reference/declFileConstructSignatures.js
+++ b/tests/baselines/reference/declFileConstructSignatures.js
@@ -76,7 +76,8 @@ export interface IConstructSignature {
 }
 export interface IConstructSignatureWithParameters {
     /** This is comment for function signature*/
-    new (/** this is comment about a*/ a: string, /** this is comment for b*/
+    new (/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): any;
 }
 export interface IConstructSignatureWithRestParameters {
@@ -100,7 +101,8 @@ interface IGlobalConstructSignature {
 }
 interface IGlobalConstructSignatureWithParameters {
     /** This is comment for function signature*/
-    new (/** this is comment about a*/ a: string, /** this is comment for b*/
+    new (/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): any;
 }
 interface IGlobalConstructSignatureWithRestParameters {
diff --git a/tests/baselines/reference/declFileConstructors.js b/tests/baselines/reference/declFileConstructors.js
index be28cdeb6a6..f6c059710b1 100644
--- a/tests/baselines/reference/declFileConstructors.js
+++ b/tests/baselines/reference/declFileConstructors.js
@@ -226,7 +226,8 @@ export declare class SimpleConstructor {
 }
 export declare class ConstructorWithParameters {
     /** This is comment for function signature*/
-    constructor(/** this is comment about a*/ a: string, /** this is comment for b*/
+    constructor(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number);
 }
 export declare class ConstructorWithRestParamters {
@@ -259,7 +260,8 @@ declare class GlobalSimpleConstructor {
 }
 declare class GlobalConstructorWithParameters {
     /** This is comment for function signature*/
-    constructor(/** this is comment about a*/ a: string, /** this is comment for b*/
+    constructor(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number);
 }
 declare class GlobalConstructorWithRestParamters {
diff --git a/tests/baselines/reference/declFileFunctions.js b/tests/baselines/reference/declFileFunctions.js
index fe6d55455a8..c1bb726c9ff 100644
--- a/tests/baselines/reference/declFileFunctions.js
+++ b/tests/baselines/reference/declFileFunctions.js
@@ -128,7 +128,8 @@ function globalfooWithOverloads(a) {
 /** This comment should appear for foo*/
 export declare function foo(): void;
 /** This is comment for function signature*/
-export declare function fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+export declare function fooWithParameters(/** this is comment about a*/ a: string, 
+    /** this is comment for b*/
     b: number): void;
 export declare function fooWithRestParameters(a: string, ...rests: string[]): string;
 export declare function fooWithOverloads(a: string): string;
@@ -137,7 +138,8 @@ export declare function fooWithOverloads(a: number): number;
 /** This comment should appear for foo*/
 declare function globalfoo(): void;
 /** This is comment for function signature*/
-declare function globalfooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+declare function globalfooWithParameters(/** this is comment about a*/ a: string, 
+    /** this is comment for b*/
     b: number): void;
 declare function globalfooWithRestParameters(a: string, ...rests: string[]): string;
 declare function globalfooWithOverloads(a: string): string;
diff --git a/tests/baselines/reference/declFileMethods.js b/tests/baselines/reference/declFileMethods.js
index 82fa6d14749..57853fedd13 100644
--- a/tests/baselines/reference/declFileMethods.js
+++ b/tests/baselines/reference/declFileMethods.js
@@ -362,7 +362,8 @@ export declare class c1 {
     /** This comment should appear for foo*/
     foo(): void;
     /** This is comment for function signature*/
-    fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    fooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     fooWithRestParameters(a: string, ...rests: string[]): string;
     fooWithOverloads(a: string): string;
@@ -370,7 +371,8 @@ export declare class c1 {
     /** This comment should appear for privateFoo*/
     private privateFoo();
     /** This is comment for function signature*/
-    private privateFooWithParameters(/** this is comment about a*/ a, /** this is comment for b*/
+    private privateFooWithParameters(/** this is comment about a*/ a, 
+        /** this is comment for b*/
         b);
     private privateFooWithRestParameters(a, ...rests);
     private privateFooWithOverloads(a);
@@ -378,7 +380,8 @@ export declare class c1 {
     /** This comment should appear for static foo*/
     static staticFoo(): void;
     /** This is comment for function signature*/
-    static staticFooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    static staticFooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     static staticFooWithRestParameters(a: string, ...rests: string[]): string;
     static staticFooWithOverloads(a: string): string;
@@ -386,7 +389,8 @@ export declare class c1 {
     /** This comment should appear for privateStaticFoo*/
     private static privateStaticFoo();
     /** This is comment for function signature*/
-    private static privateStaticFooWithParameters(/** this is comment about a*/ a, /** this is comment for b*/
+    private static privateStaticFooWithParameters(/** this is comment about a*/ a, 
+        /** this is comment for b*/
         b);
     private static privateStaticFooWithRestParameters(a, ...rests);
     private static privateStaticFooWithOverloads(a);
@@ -396,7 +400,8 @@ export interface I1 {
     /** This comment should appear for foo*/
     foo(): string;
     /** This is comment for function signature*/
-    fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    fooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     fooWithRestParameters(a: string, ...rests: string[]): string;
     fooWithOverloads(a: string): string;
@@ -407,7 +412,8 @@ declare class c2 {
     /** This comment should appear for foo*/
     foo(): void;
     /** This is comment for function signature*/
-    fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    fooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     fooWithRestParameters(a: string, ...rests: string[]): string;
     fooWithOverloads(a: string): string;
@@ -415,7 +421,8 @@ declare class c2 {
     /** This comment should appear for privateFoo*/
     private privateFoo();
     /** This is comment for function signature*/
-    private privateFooWithParameters(/** this is comment about a*/ a, /** this is comment for b*/
+    private privateFooWithParameters(/** this is comment about a*/ a, 
+        /** this is comment for b*/
         b);
     private privateFooWithRestParameters(a, ...rests);
     private privateFooWithOverloads(a);
@@ -423,7 +430,8 @@ declare class c2 {
     /** This comment should appear for static foo*/
     static staticFoo(): void;
     /** This is comment for function signature*/
-    static staticFooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    static staticFooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     static staticFooWithRestParameters(a: string, ...rests: string[]): string;
     static staticFooWithOverloads(a: string): string;
@@ -431,7 +439,8 @@ declare class c2 {
     /** This comment should appear for privateStaticFoo*/
     private static privateStaticFoo();
     /** This is comment for function signature*/
-    private static privateStaticFooWithParameters(/** this is comment about a*/ a, /** this is comment for b*/
+    private static privateStaticFooWithParameters(/** this is comment about a*/ a, 
+        /** this is comment for b*/
         b);
     private static privateStaticFooWithRestParameters(a, ...rests);
     private static privateStaticFooWithOverloads(a);
@@ -441,7 +450,8 @@ interface I2 {
     /** This comment should appear for foo*/
     foo(): string;
     /** This is comment for function signature*/
-    fooWithParameters(/** this is comment about a*/ a: string, /** this is comment for b*/
+    fooWithParameters(/** this is comment about a*/ a: string, 
+        /** this is comment for b*/
         b: number): void;
     fooWithRestParameters(a: string, ...rests: string[]): string;
     fooWithOverloads(a: string): string;