diff --git a/osu.Game/Screens/Edit/EditorLoader.cs b/osu.Game/Screens/Edit/EditorLoader.cs
index 4450367522..d6af990b52 100644
--- a/osu.Game/Screens/Edit/EditorLoader.cs
+++ b/osu.Game/Screens/Edit/EditorLoader.cs
@@ -65,7 +65,8 @@ namespace osu.Game.Screens.Edit
             base.LoadComplete();
 
             // will be restored via lease, see `DisallowExternalBeatmapRulesetChanges`.
-            Ruleset.Value = Beatmap.Value.BeatmapInfo.Ruleset;
+            if (!(Beatmap.Value is DummyWorkingBeatmap))
+                Ruleset.Value = Beatmap.Value.BeatmapInfo.Ruleset;
             Mods.Value = Array.Empty<Mod>();
         }