diff --git a/ProofOfConcept/Monaco/monacoPreview/MainWindow.xaml.cs b/ProofOfConcept/Monaco/monacoPreview/MainWindow.xaml.cs
index 995909a0e43..00944958a88 100644
--- a/ProofOfConcept/Monaco/monacoPreview/MainWindow.xaml.cs
+++ b/ProofOfConcept/Monaco/monacoPreview/MainWindow.xaml.cs
@@ -106,7 +106,7 @@ private void FormResize(object sender, EventArgs e)
             webView.Width = this.ActualWidth;
         }
 
-        string customFileName = Guid.NewGuid().ToString("N") + ".html";
+        string customFileName = "powerToysPreview" + Guid.NewGuid().ToString("N") + ".html";
         string fullCustomFilePath;
         public async void InitializeAsync(string fileName)
         {