From a5c1b461f6985d4c369a8f57336de16f4e07c662 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 12 May 2020 11:14:51 +0900
Subject: [PATCH] Fix null reference in difficulty recommender

---
 osu.Game/Screens/Select/DifficultyRecommender.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Screens/Select/DifficultyRecommender.cs b/osu.Game/Screens/Select/DifficultyRecommender.cs
index 20cdca858a..0dd3341a93 100644
--- a/osu.Game/Screens/Select/DifficultyRecommender.cs
+++ b/osu.Game/Screens/Select/DifficultyRecommender.cs
@@ -86,7 +86,7 @@ namespace osu.Game.Screens.Select
         {
             base.Dispose(isDisposing);
 
-            api.Unregister(this);
+            api?.Unregister(this);
         }
     }
 }