diff --git a/lime/system/System.hx b/lime/system/System.hx
index 7d8770b85..6ce4c7e3f 100644
--- a/lime/system/System.hx
+++ b/lime/system/System.hx
@@ -74,6 +74,8 @@ class System {
 		#if tools
 		ApplicationMain.config.background = color;
 		ApplicationMain.config.element = element;
+		ApplicationMain.config.width = width;
+		ApplicationMain.config.height = height;
 		ApplicationMain.create ();
 		#end