diff --git a/src/ngMock/angular-mocks.js b/src/ngMock/angular-mocks.js
index 6208a9fdb4cc..6c0131f75d80 100644
--- a/src/ngMock/angular-mocks.js
+++ b/src/ngMock/angular-mocks.js
@@ -1129,7 +1129,7 @@ function createHttpBackendMock($rootScope, $timeout, $delegate, $browser) {
   }
 
   // TODO(vojta): change params to: method, url, data, headers, callback
-  function $httpBackend(method, url, data, callback, headers, timeout, withCredentials) {
+  function $httpBackend(method, url, data, callback, headers, timeout, withCredentials, responseType) {
     var xhr = new MockXhr(),
         expectation = expectations[0],
         wasExpected = false;
@@ -1193,7 +1193,7 @@ function createHttpBackendMock($rootScope, $timeout, $delegate, $browser) {
           // if $browser specified, we do auto flush all requests
           ($browser ? $browser.defer : responsesPush)(wrapResponse(definition));
         } else if (definition.passThrough) {
-          $delegate(method, url, data, callback, headers, timeout, withCredentials);
+          $delegate(method, url, data, callback, headers, timeout, withCredentials, responseType);
         } else throw new Error('No response defined !');
         return;
       }
diff --git a/test/ngMock/angular-mocksSpec.js b/test/ngMock/angular-mocksSpec.js
index f9c7587e86cc..986e84bd1c2f 100644
--- a/test/ngMock/angular-mocksSpec.js
+++ b/test/ngMock/angular-mocksSpec.js
@@ -1796,19 +1796,19 @@ describe('ngMockE2E', function() {
     describe('passThrough()', function() {
       it('should delegate requests to the real backend when passThrough is invoked', function() {
         hb.when('GET', /\/passThrough\/.*/).passThrough();
-        hb('GET', '/passThrough/23', null, callback, {}, null, true);
+        hb('GET', '/passThrough/23', null, callback, {}, null, true, 'arraybuffer');
 
         expect(realHttpBackend).toHaveBeenCalledOnceWith(
-            'GET', '/passThrough/23', null, callback, {}, null, true);
+            'GET', '/passThrough/23', null, callback, {}, null, true, 'arraybuffer');
       });
 
       it('should be able to override a respond definition with passThrough', function() {
         var definition = hb.when('GET', /\/passThrough\/.*/).respond('override me');
         definition.passThrough();
-        hb('GET', '/passThrough/23', null, callback, {}, null, true);
+        hb('GET', '/passThrough/23', null, callback, {}, null, true, 'arraybuffer');
 
         expect(realHttpBackend).toHaveBeenCalledOnceWith(
-            'GET', '/passThrough/23', null, callback, {}, null, true);
+            'GET', '/passThrough/23', null, callback, {}, null, true, 'arraybuffer');
       });
 
       it('should be able to override a respond definition with passThrough', inject(function($browser) {