diff --git a/QuickLook/ViewerWindow.xaml b/QuickLook/ViewerWindow.xaml
index 1819ba7..64607cf 100644
--- a/QuickLook/ViewerWindow.xaml
+++ b/QuickLook/ViewerWindow.xaml
@@ -12,7 +12,7 @@
     d:DesignWidth="624" d:DesignHeight="700"
     MinWidth="400" MinHeight="200"
     Focusable="False"
-    ResizeMode="CanResizeWithGrip"
+    ResizeMode="CanResize"
     BorderBrush="{DynamicResource CaptionBackground}"
     Foreground="{DynamicResource WindowTextForeground}"
     Background="{DynamicResource MainWindowBackground}"