diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index f4cc59a04d..1ee9079d3c 100755
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -236,7 +236,7 @@ declare module ng {
         $watchCollection(watchExpression: string, listener: (newValue: any, oldValue: any, scope: IScope) => any): Function;
         $watchCollection(watchExpression: (scope: IScope) => any, listener: (newValue: any, oldValue: any, scope: IScope) => any): Function;
 
-        $watchGroup(watchExpressions: string[], listener: (newValue: any, oldValue: any, scope: IScope) => any): Function;
+        $watchGroup(watchExpressions: any[], listener: (newValue: any, oldValue: any, scope: IScope) => any): Function;
         $watchGroup(watchExpressions: {(scope: IScope) : any}[], listener: (newValue: any, oldValue: any, scope: IScope) => any): Function;
 
         $parent: IScope;