diff --git a/Pixiview/App.cs b/Pixiview/App.cs
index 647835f..3c14f39 100644
--- a/Pixiview/App.cs
+++ b/Pixiview/App.cs
@@ -131,7 +131,7 @@ namespace Pixiview
             if (current != null && uri != null)
             {
                 var url = uri.AbsolutePath;
-                if (uri.Scheme == "pixiview://")
+                if ("pixiview".Equals(uri.Scheme, StringComparison.OrdinalIgnoreCase))
                 {
                     var m = Regex.Match(url, "/artworks/([0-9]+)", RegexOptions.IgnoreCase);
                     if (m.Success)