diff --git a/angular-ui/angular-ui-router.d.ts b/angular-ui/angular-ui-router.d.ts
index da3d92e5ec..4f9f8d4531 100644
--- a/angular-ui/angular-ui-router.d.ts
+++ b/angular-ui/angular-ui-router.d.ts
@@ -73,7 +73,7 @@ declare module ng.ui {
     }
 
     interface IStateService {
-        go(to: string, params?: {}, options?: IStateOptions): void;
+        go(to: string, params?: {}, options?: IStateOptions): IPromise<any>;
         transitionTo(state: string, params?: {}, updateLocation?: boolean): void;
         transitionTo(state: string, params?: {}, options?: IStateOptions): void;
         includes(state: string, params?: {}): boolean;