From 777f673a4639cf5bdbab07a984ad072794ff4536 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 27 Feb 2017 19:48:48 +0900
Subject: [PATCH] Fix more test regressions.

---
 osu.Game/Beatmaps/Drawables/BeatmapGroup.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Beatmaps/Drawables/BeatmapGroup.cs b/osu.Game/Beatmaps/Drawables/BeatmapGroup.cs
index 36c042ac30..bcdb1c0b5d 100644
--- a/osu.Game/Beatmaps/Drawables/BeatmapGroup.cs
+++ b/osu.Game/Beatmaps/Drawables/BeatmapGroup.cs
@@ -64,7 +64,7 @@ namespace osu.Game.Beatmaps.Drawables
             BeatmapSet = beatmapSet;
             WorkingBeatmap beatmap = database.GetWorkingBeatmap(BeatmapSet.Beatmaps.FirstOrDefault());
             foreach (var b in BeatmapSet.Beatmaps)
-                b.StarDifficulty = (float)database.GetWorkingBeatmap(b).Beatmap.CalculateStarDifficulty();
+                b.StarDifficulty = (float)(database.GetWorkingBeatmap(b).Beatmap?.CalculateStarDifficulty() ?? 0);
 
             Header = new BeatmapSetHeader(beatmap)
             {