diff --git a/lib/mockResponse.js b/lib/mockResponse.js
index f93021c..15b3323 100644
--- a/lib/mockResponse.js
+++ b/lib/mockResponse.js
@@ -638,7 +638,7 @@ function createResponse(options) {
      */
     mockResponse.setHeader = function(name, value) {
         mockResponse._headers[name.toLowerCase()] = value;
-        return value;
+        return this;
     };
 
     /**
diff --git a/test/lib/mockResponse.spec.js b/test/lib/mockResponse.spec.js
index 1fd6429..df3e28b 100644
--- a/test/lib/mockResponse.spec.js
+++ b/test/lib/mockResponse.spec.js
@@ -967,6 +967,10 @@ describe('mockResponse', function () {
         expect(response.setHeader).to.throw;
       });
 
+      it('should return this', function() {
+        expect(response.setHeader('name', 'value')).to.be(response);
+      })
+
     });
 
     describe('.getHeader()', function () {