diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index b8e2ec8922..ece2e08af4 100755
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -241,7 +241,7 @@ declare module ng {
 
         $parent: IScope;
 
-        $root: IScope;
+        $root: IRootScopeService;
 
         $id: string;