diff --git a/angular-ui/angular-ui-router.d.ts b/angular-ui/angular-ui-router.d.ts
index 4c16742a5..7f9c3869b 100644
--- a/angular-ui/angular-ui-router.d.ts
+++ b/angular-ui/angular-ui-router.d.ts
@@ -76,6 +76,7 @@ declare module ng.ui {
         get(state: string): IState;
         get(): IState[];
         current: IState;
+        params: IStateParamsService;
     }
 
     interface IStateParamsService {