diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index 61d80df3f2..c5e45258d2 100755
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -238,7 +238,7 @@ declare module ng {
 
         $parent: IScope;
 
-        $id: number;
+        $id: string;
 
         // Hidden members
         $$isolateBindings: any;