diff --git a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MainWindow.xaml b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MainWindow.xaml
index 84a25b077a..ba692b2041 100644
--- a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MainWindow.xaml
+++ b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MainWindow.xaml
@@ -1,13 +1,13 @@
+ IsChecked="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mah:MetroWindow}}, Path=DWMSupportsBorderColor}"
+ IsEnabled="False" />