diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index a8c1d991d..10dec18ae 100755
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -227,6 +227,7 @@ declare module ng {
         $new(isolate?: boolean): IScope;
 
         $on(name: string, listener: (event: IAngularEvent, ...args: any[]) => any): Function;
+        $on(name: string, listener: (event: IAngularEvent, eventArg: any) => any): Function;
 
         $watch(watchExpression: string, listener?: string, objectEquality?: boolean): Function;
         $watch(watchExpression: string, listener?: (newValue: any, oldValue: any, scope: IScope) => any, objectEquality?: boolean): Function;