diff --git a/packages/api-angular/src/ms.js b/packages/api-angular/src/ms.js
index 98019f3bb..b31f6059f 100644
--- a/packages/api-angular/src/ms.js
+++ b/packages/api-angular/src/ms.js
@@ -13,6 +13,7 @@ function factory($http, $q, avApiOptions) {
       super({
         http: $http,
         promise: $q,
+        merge: angular.merge,
         config: options,
       });
     }
diff --git a/packages/api-angular/src/tests/ms.test.js b/packages/api-angular/src/tests/ms.test.js
index 1c1336103..497ec0456 100644
--- a/packages/api-angular/src/tests/ms.test.js
+++ b/packages/api-angular/src/tests/ms.test.js
@@ -7,11 +7,24 @@ describe('Api Definitions Angular', () => {
     angular.mock.module(avModule);
   });
 
+  describe('AvMicroservice', () => {
+    test('should initialize with constructor', () => {
+      angular.mock.inject(_AvMicroserviceApi_ => {
+        const AvMicroserviceApi = _AvMicroserviceApi_;
+        expect(AvMicroserviceApi).toBeDefined();
+        expect(() => {
+          // eslint-disable-next-line
+          new AvMicroserviceApi({ path: '/a/b', name: 'foo' });
+        }).not.toThrow();
+      });
+    });
+  });
+
   test('avFilesApi should be defined', () => {
     let avFilesApi;
     angular.mock.inject(_avFilesApi_ => {
       avFilesApi = _avFilesApi_;
+      expect(avFilesApi).toBeDefined();
     });
-    expect(avFilesApi).toBeDefined();
   });
 });