diff --git a/osu.Game/Beatmaps/BeatmapImporter.cs b/osu.Game/Beatmaps/BeatmapImporter.cs
index a2d74d089f..e500f87984 100644
--- a/osu.Game/Beatmaps/BeatmapImporter.cs
+++ b/osu.Game/Beatmaps/BeatmapImporter.cs
@@ -29,7 +29,7 @@ namespace osu.Game.Beatmaps
     /// </summary>
     public class BeatmapImporter : RealmArchiveModelImporter<BeatmapSetInfo>
     {
-        public override IEnumerable<string> HandledExtensions => new[] { ".osz", ".osz2" };
+        public override IEnumerable<string> HandledExtensions => new[] { ".osz", ".olz" };
 
         protected override string[] HashableFileTypes => new[] { ".osu" };
 
diff --git a/osu.Game/Database/BeatmapExporter.cs b/osu.Game/Database/BeatmapExporter.cs
index 9377065973..f37c57dea5 100644
--- a/osu.Game/Database/BeatmapExporter.cs
+++ b/osu.Game/Database/BeatmapExporter.cs
@@ -17,6 +17,6 @@ namespace osu.Game.Database
         {
         }
 
-        protected override string FileExtension => @".osz2";
+        protected override string FileExtension => @".olz";
     }
 }