diff --git a/osu.Game/Screens/Play/Player.cs b/osu.Game/Screens/Play/Player.cs
index 7b6f260c56..236a84ccfd 100644
--- a/osu.Game/Screens/Play/Player.cs
+++ b/osu.Game/Screens/Play/Player.cs
@@ -158,7 +158,8 @@ namespace osu.Game.Screens.Play
 
         protected override bool OnExiting(GameMode next)
         {
-            dimLevel.ValueChanged -= dimChanged;
+            if(dimLevel != null)
+                dimLevel.ValueChanged -= dimChanged;
             Background?.FadeTo(1f, 200);
             return base.OnExiting(next);
         }