diff --git a/QuickLook/ViewerWindow.xaml b/QuickLook/ViewerWindow.xaml
index d95ad5ae9..13e43d6ab 100644
--- a/QuickLook/ViewerWindow.xaml
+++ b/QuickLook/ViewerWindow.xaml
@@ -15,7 +15,6 @@
         d:DesignWidth="624"
         Background="{DynamicResource MainWindowBackground}"
         BorderBrush="{DynamicResource CaptionBackground}"
-        Focusable="False"
         Foreground="{DynamicResource WindowTextForeground}"
         ResizeMode="CanResize"
         ShowActivated="False"