diff --git a/SpineViewer/Views/MainWindow.xaml b/SpineViewer/Views/MainWindow.xaml
index 4ce5531..dbc4429 100644
--- a/SpineViewer/Views/MainWindow.xaml
+++ b/SpineViewer/Views/MainWindow.xaml
@@ -11,8 +11,8 @@
         x:Name="_mainWindow"
         d:DataContext="{d:DesignInstance Type={x:Type vm:MainWindowViewModel}}"
         Title="{Binding Title}"
-        Width="1500"
-        Height="800"
+        Width="1280"
+        Height="720"
         Background="{DynamicResource RegionBrush}"
         WindowStartupLocation="CenterScreen"
         PreviewKeyDown="MainWindow_PreviewKeyDown"