diff --git a/lib/App.js b/lib/App.js
index <HASH>..<HASH> 100644
--- a/lib/App.js
+++ b/lib/App.js
@@ -92,7 +92,9 @@ inherit(App, EventEmitter, [
     this.intialized = true;
     this.emit('init', settings);
     return this;
-  }
+  },
+  _App.screenHeight,
+  _App.screenWidth,
 ]);
accidentally removed screenWidth and screenHeight