diff --git a/Demos/AIStudio.Wpf.DiagramDesigner.Demo/MainWindow.xaml b/Demos/AIStudio.Wpf.DiagramDesigner.Demo/MainWindow.xaml
index e4f0d8d..9e74483 100644
--- a/Demos/AIStudio.Wpf.DiagramDesigner.Demo/MainWindow.xaml
+++ b/Demos/AIStudio.Wpf.DiagramDesigner.Demo/MainWindow.xaml
@@ -9,7 +9,7 @@
         Icon="A.ico" 
         Identifier="RootWindow"
         Style="{StaticResource AIStudio.Styles.WindowBase}"
-        Height="800" Width="1000">
+        Height="800" Width="950">
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="Auto" MinWidth="100" />