diff --git a/src/app/shared/service/abstract.service.spec.ts b/src/app/shared/service/abstract.service.spec.ts
index a60b275..5ad19df 100644
--- a/src/app/shared/service/abstract.service.spec.ts
+++ b/src/app/shared/service/abstract.service.spec.ts
@@ -4,7 +4,7 @@ import { AbstractService } from './abstract.service';
 import { Country } from '../domain/country/country';
 
 describe('AbstractService', () => {
-  let service: AbstractService<Country>;
+  let service: AbstractService<Country, string>;
 
   beforeEach(() => {
     TestBed.configureTestingModule({});