diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
index 6c52513..9af5ea8 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
@@ -212,7 +212,8 @@
                     </Button.Style>
                 </Button>
                 <Button x:Name="buttonTime"
-                        Width="37"
+                        Width="NaN"
+                        MinWidth="37"
                         DockPanel.Dock="Right"
                         Style="{StaticResource ControlButtonStyle}"
                         Tag="Time"