diff --git a/angular-ui-router/angular-ui-router.d.ts b/angular-ui-router/angular-ui-router.d.ts
index 2faed455e..febe1c090 100644
--- a/angular-ui-router/angular-ui-router.d.ts
+++ b/angular-ui-router/angular-ui-router.d.ts
@@ -269,6 +269,7 @@ declare module angular.ui {
     	 *
     	 */
         sync(): void;
+        listen(): void;
     }
 
     interface IUiViewScrollProvider {