diff --git a/tests/translate.service.spec.ts b/tests/translate.service.spec.ts
index 588de18e..7c8a1275 100644
--- a/tests/translate.service.spec.ts
+++ b/tests/translate.service.spec.ts
@@ -300,7 +300,7 @@ export function main() {
 
             translate.get('nonExistingKey').subscribe((res: string) => {
                 expect(missingTranslationHandler.handle).toHaveBeenCalledWith('nonExistingKey');
-                expect(res).toEqual('handled');
+                expect(res).toEqual('handled: nonExistingKey');
             });
 
             // mock response after the xhr request, otherwise it will be undefined