diff --git a/App/OsuDownloadManager.cs b/App/OsuDownloadManager.cs
index 53e1fd3..4ef2841 100644
--- a/App/OsuDownloadManager.cs
+++ b/App/OsuDownloadManager.cs
@@ -167,7 +167,7 @@ private DownloadItem GetDownloadItem(Beatmap beatmap)
         private string CreateFileName(Beatmap map)
         {
             var filename = map.MapSetId + " " + map.ArtistRoman + " - " + map.TitleRoman;
-            return Helpers.StripInvalidFileNameCharacters(filename) + ".osz";
+            return Helpers.StripInvalidFileNameCharacters(filename, "_") + ".osz";
         }
     }
 }
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