diff --git a/apps/wrap-layout-demo/app.ts b/apps/wrap-layout-demo/app.ts
index ee60fa462..f8c884d9e 100644
--- a/apps/wrap-layout-demo/app.ts
+++ b/apps/wrap-layout-demo/app.ts
@@ -1,3 +1,3 @@
 import application = require("application");
-application.mainModule = "app/mainPage";
+application.mainModule = "mainPage";
 application.start();