diff --git a/WinUIGallery/Samples/SamplePages/SampleSystemBackdropsWindow.xaml.cs b/WinUIGallery/Samples/SamplePages/SampleSystemBackdropsWindow.xaml.cs
index b1a61a000..0fa29890d 100644
--- a/WinUIGallery/Samples/SamplePages/SampleSystemBackdropsWindow.xaml.cs
+++ b/WinUIGallery/Samples/SamplePages/SampleSystemBackdropsWindow.xaml.cs
@@ -8,6 +8,8 @@
 using Microsoft.UI;
 using Microsoft.UI.Composition;
 using System;
+using Windows.UI.ViewManagement;
+using Microsoft.UI.System;
 
 namespace WinUIGallery.SamplePages;
 
@@ -124,7 +126,8 @@ bool TrySetMicaBackdrop(bool useMicaAlt)
         if (MicaController.IsSupported())
         {
             // Hooking up the policy object.
-            configurationSource = new SystemBackdropConfiguration();
+            configurationSource = new SystemBackdropConfiguration();
+            configurationSource.IsHighContrast = ThemeSettings.CreateForWindowId(this.AppWindow.Id).HighContrast;
             Activated += Window_Activated;
             Closed += Window_Closed;
             ((FrameworkElement)Content).ActualThemeChanged += Window_ThemeChanged;
@@ -200,6 +203,7 @@ private void Window_ThemeChanged(FrameworkElement sender, object args)
 
     private void SetConfigurationSourceTheme()
     {
+        configurationSource.IsHighContrast = ThemeSettings.CreateForWindowId(this.AppWindow.Id).HighContrast;
         configurationSource.Theme = (SystemBackdropTheme)((FrameworkElement)Content).ActualTheme;
     }