diff --git a/IFCGeoRefCheckerGUI/App.xaml b/IFCGeoRefCheckerGUI/App.xaml
index 995b04f..8c51882 100644
--- a/IFCGeoRefCheckerGUI/App.xaml
+++ b/IFCGeoRefCheckerGUI/App.xaml
@@ -2,7 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:IFCGeoRefCheckerGUI"
-             StartupUri="MainWindowAllInOne.xaml"
+             StartupUri="MainWindow.xaml"
              >
     <Application.Resources>