diff --git a/ExViewer/App.xaml b/ExViewer/App.xaml
index d4ae1c0e..fe7b4072 100644
--- a/ExViewer/App.xaml
+++ b/ExViewer/App.xaml
@@ -4,7 +4,10 @@
   <Application.Resources>
     <ResourceDictionary>
       <ResourceDictionary.MergedDictionaries>
-        <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+        <muxc:XamlControlsResources xmlns:muxc="using:Microsoft.UI.Xaml.Controls" />
+        <ResourceDictionary>
+          <x:Boolean x:Key="HyperlinkUnderlineVisible">True</x:Boolean>
+        </ResourceDictionary>
         <ResourceDictionary Source="Themes/GenericOverride.xaml" />
         <ResourceDictionary Source="Themes/NamedStyles.xaml" />
         <ResourceDictionary Source="Converters/Converters.xaml" />