diff --git a/src/ngMock/angular-mocks.js b/src/ngMock/angular-mocks.js
index 2dd4fef5ea3f..986110ac6da1 100644
--- a/src/ngMock/angular-mocks.js
+++ b/src/ngMock/angular-mocks.js
@@ -1539,6 +1539,8 @@ function MockHttpExpectation(method, url, data, headers) {
   this.data = data;
   this.headers = headers;
 
+  if (url === undefined) throw new Error('No URL defined!');
+
   this.match = function(m, u, d, h) {
     if (method != m) return false;
     if (!this.matchUrl(u)) return false;
@@ -1548,7 +1550,7 @@ function MockHttpExpectation(method, url, data, headers) {
   };
 
   this.matchUrl = function(u) {
-    if (!url) return true;
+    if (url === null) return true;
     if (angular.isFunction(url.test)) return url.test(u);
     if (angular.isFunction(url)) return url(u);
     return url == u;
diff --git a/test/ng/httpSpec.js b/test/ng/httpSpec.js
index c1c33ffb8788..a72e10471c9a 100644
--- a/test/ng/httpSpec.js
+++ b/test/ng/httpSpec.js
@@ -890,7 +890,7 @@ describe('$http', function() {
     describe('scope.$apply', function() {
 
       it('should $apply after success callback', function() {
-        $httpBackend.when('GET').respond(200);
+        $httpBackend.when('GET', null).respond(200);
         $http({method: 'GET', url: '/some'});
         $httpBackend.flush();
         expect($rootScope.$apply).toHaveBeenCalledOnce();
@@ -898,7 +898,7 @@ describe('$http', function() {
 
 
       it('should $apply after error callback', function() {
-        $httpBackend.when('GET').respond(404);
+        $httpBackend.when('GET', null).respond(404);
         $http({method: 'GET', url: '/some'});
         $httpBackend.flush();
         expect($rootScope.$apply).toHaveBeenCalledOnce();
@@ -906,7 +906,7 @@ describe('$http', function() {
 
 
       it('should $apply even if exception thrown during callback', inject(function($exceptionHandler){
-        $httpBackend.when('GET').respond(200);
+        $httpBackend.when('GET', null).respond(200);
         callback.andThrow('error in callback');
 
         $http({method: 'GET', url: '/some'}).then(callback);
@@ -1402,7 +1402,7 @@ describe('$http', function() {
     describe('pendingRequests', function() {
 
       it('should be an array of pending requests', function() {
-        $httpBackend.when('GET').respond(200);
+        $httpBackend.when('GET', null).respond(200);
         expect($http.pendingRequests.length).toBe(0);
 
         $http({method: 'get', url: '/some'});
@@ -1415,7 +1415,7 @@ describe('$http', function() {
 
 
       it('should update pending requests even when served from cache', inject(function($rootScope) {
-        $httpBackend.when('GET').respond(200);
+        $httpBackend.when('GET', null).respond(200);
 
         $http({method: 'get', url: '/cached', cache: true});
         $http({method: 'get', url: '/cached', cache: true});
@@ -1436,7 +1436,7 @@ describe('$http', function() {
 
 
       it('should remove the request before firing callbacks', function() {
-        $httpBackend.when('GET').respond(200);
+        $httpBackend.when('GET', null).respond(200);
         $http({method: 'get', url: '/url'}).success(function() {
           expect($http.pendingRequests.length).toBe(0);
         });
diff --git a/test/ngMock/angular-mocksSpec.js b/test/ngMock/angular-mocksSpec.js
index 35b394e47aac..cf142b62e930 100644
--- a/test/ngMock/angular-mocksSpec.js
+++ b/test/ngMock/angular-mocksSpec.js
@@ -1010,6 +1010,13 @@ describe('ngMock', function() {
     });
 
 
+    it('should not allow undefined URL', function(){
+      expect(function() {
+        hb.when('GET').respond(200, '');
+      }).toThrow('No URL defined!');
+    });
+
+
     it('should match headers if specified', function() {
       hb.when('GET', '/url', null, {'X': 'val1'}).respond(201, 'content1');
       hb.when('GET', '/url', null, {'X': 'val2'}).respond(202, 'content2');
@@ -1076,7 +1083,7 @@ describe('ngMock', function() {
 
 
     it('should match only method', function() {
-      hb.when('GET').respond(202, 'c');
+      hb.when('GET', null).respond(202, 'c');
       callback.andCallFake(function(status, response) {
         expect(status).toBe(202);
         expect(response).toBe('c');
@@ -1184,8 +1191,21 @@ describe('ngMock', function() {
       });
 
 
+      it('should allow null as any url', function(){
+        hb.expect('GET', null).respond(200, '');
+        expect(function() {
+          hb('GET', '/url');
+        }).not.toThrow();
+
+        hb.expect('GET', '/url1').respond(200, '');
+        expect(function() {
+          hb('GET', '/url2');
+        }).toThrow('Unexpected request: GET /url2\nExpected GET /url1');
+      });
+
+
       it ('should throw exception when only headers differs from expectation', function() {
-        hb.when('GET').respond(200, '', {});
+        hb.when('GET', null).respond(200, '', {});
         hb.expect('GET', '/match', undefined, {'Content-Type': 'application/json'});
 
         expect(function() {
@@ -1196,7 +1216,7 @@ describe('ngMock', function() {
 
 
       it ('should throw exception when only data differs from expectation', function() {
-        hb.when('GET').respond(200, '', {});
+        hb.when('GET', null).respond(200, '', {});
         hb.expect('GET', '/match', 'some-data');
 
         expect(function() {
@@ -1207,7 +1227,7 @@ describe('ngMock', function() {
 
 
       it ('should not throw an exception when parsed body is equal to expected body object', function() {
-        hb.when('GET').respond(200, '', {});
+        hb.when('GET', null).respond(200, '', {});
 
         hb.expect('GET', '/match', {a: 1, b: 2});
         expect(function() {
@@ -1222,7 +1242,7 @@ describe('ngMock', function() {
 
 
       it ('should throw exception when only parsed body differs from expected body object', function() {
-        hb.when('GET').respond(200, '', {});
+        hb.when('GET', null).respond(200, '', {});
         hb.expect('GET', '/match', {a: 1, b: 2});
 
         expect(function() {
@@ -1251,7 +1271,7 @@ describe('ngMock', function() {
 
     describe('flush()', function() {
       it('flush() should flush requests fired during callbacks', function() {
-        hb.when('GET').respond(200, '');
+        hb.when('GET', null).respond(200, '');
         hb('GET', '/some', null, function() {
           hb('GET', '/other', null, callback);
         });
@@ -1262,7 +1282,7 @@ describe('ngMock', function() {
 
 
       it('should flush given number of pending requests', function() {
-        hb.when('GET').respond(200, '');
+        hb.when('GET', null).respond(200, '');
         hb('GET', '/some', null, callback);
         hb('GET', '/some', null, callback);
         hb('GET', '/some', null, callback);
@@ -1274,7 +1294,7 @@ describe('ngMock', function() {
 
 
       it('should throw exception when flushing more requests than pending', function() {
-        hb.when('GET').respond(200, '');
+        hb.when('GET', null).respond(200, '');
         hb('GET', '/url', null, callback);
 
         expect(function() {hb.flush(2);}).toThrow('No more pending request to flush !');
@@ -1285,7 +1305,7 @@ describe('ngMock', function() {
       it('should throw exception when no request to flush', function() {
         expect(function() {hb.flush();}).toThrow('No pending request to flush !');
 
-        hb.when('GET').respond(200, '');
+        hb.when('GET', null).respond(200, '');
         hb('GET', '/some', null, callback);
         hb.flush();
 
@@ -1387,7 +1407,7 @@ describe('ngMock', function() {
     describe('verifyRequests', function() {
 
       it('should throw exception if not all requests were flushed', function() {
-        hb.when('GET').respond(200);
+        hb.when('GET', null).respond(200);
         hb('GET', '/some', null, noop, {});
 
         expect(function() {
diff --git a/test/ngResource/resourceSpec.js b/test/ngResource/resourceSpec.js
index 6e58976355bd..c9c35d77f9f3 100644
--- a/test/ngResource/resourceSpec.js
+++ b/test/ngResource/resourceSpec.js
@@ -394,7 +394,7 @@ describe("resource", function() {
   it('should handle multiple params with same name', function() {
     var R = $resource('/:id/:id');
 
-    $httpBackend.when('GET').respond('{}');
+    $httpBackend.when('GET', null).respond('{}');
     $httpBackend.expect('GET', '/1/1');
 
     R.get({id:1});