diff --git a/osu.Game/Beatmaps/IBeatmapSetInfo.cs b/osu.Game/Beatmaps/IBeatmapSetInfo.cs
index 548a48367c..d5aded7b53 100644
--- a/osu.Game/Beatmaps/IBeatmapSetInfo.cs
+++ b/osu.Game/Beatmaps/IBeatmapSetInfo.cs
@@ -53,6 +53,6 @@ namespace osu.Game.Beatmaps
         /// <summary>
         /// The filename for the storyboard.
         /// </summary>
-        string StoryboardFile => Files.FirstOrDefault(f => f.Filename.EndsWith(".osb", StringComparison.OrdinalIgnoreCase))?.Filename ?? string.Empty;
+        string StoryboardFile => Files.FirstOrDefault(f => f.Filename.EndsWith(@".osb", StringComparison.OrdinalIgnoreCase))?.Filename ?? string.Empty;
     }
 }