diff --git a/angular-ui/angular-ui-router.d.ts b/angular-ui/angular-ui-router.d.ts
index f927ec6f7..6e78e045b 100644
--- a/angular-ui/angular-ui-router.d.ts
+++ b/angular-ui/angular-ui-router.d.ts
@@ -92,7 +92,7 @@ declare module ng.ui {
         [key: string]: any;
     }
 
-    interface IUrlRouter {
+    interface IUrlRouterService {
         sync(): void;
     }
 }