diff --git a/angularjs/angular-resource-tests.ts b/angularjs/angular-resource-tests.ts
index c31bef09c6..2870b21ad8 100644
--- a/angularjs/angular-resource-tests.ts
+++ b/angularjs/angular-resource-tests.ts
@@ -83,5 +83,5 @@ var resourceService: ng.resource.IResourceService;
 
 resourceClass = resourceServiceFactoryFunction<IMyResourceClass>(resourceService);
 
-resourceServiceFactoryFunction = function (resourceService) { return <any>resourceClass; };
+resourceServiceFactoryFunction = function (resourceService: ng.resource.IResourceService) { return <any>resourceClass; };
 mod = mod.factory('factory name', resourceServiceFactoryFunction);