diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index 668ac6ee10..1f92d5461f 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -215,7 +215,7 @@ namespace osu.Game.Beatmaps
 
             foreach (var info in item.Beatmaps)
             {
-                var file = item.Files.FirstOrDefault(f => string.Equals(f.Filename, info.Path, StringComparison.OrdinalIgnoreCase))?.FileInfo.StoragePath;
+                var file = item.Files.SingleOrDefault(f => string.Equals(f.Filename, info.Path, StringComparison.OrdinalIgnoreCase))?.FileInfo.StoragePath;
 
                 using (var stream = Files.Store.GetStream(file))
                     info.MD5Hash = stream.ComputeMD5Hash();
diff --git a/osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs b/osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs
index e62a9bb39d..39c5ccab27 100644
--- a/osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs
+++ b/osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs
@@ -42,7 +42,7 @@ namespace osu.Game.Beatmaps
                 }
             }
 
-            private string getPathForFile(string filename) => BeatmapSetInfo.Files.FirstOrDefault(f => string.Equals(f.Filename, filename, StringComparison.OrdinalIgnoreCase))?.FileInfo.StoragePath;
+            private string getPathForFile(string filename) => BeatmapSetInfo.Files.SingleOrDefault(f => string.Equals(f.Filename, filename, StringComparison.OrdinalIgnoreCase))?.FileInfo.StoragePath;
 
             private TextureStore textureStore;