From 2aa0364092819f821cd1be69c4d56e2150a1218d Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 22 Feb 2022 00:14:33 +0900
Subject: [PATCH] Fix null reference in tests during attempted ruleset
 filtering

---
 osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs b/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs
index a521306d7e..f57bff13ca 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs
@@ -77,7 +77,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
                 {
                     bool matchingFilter = true;
 
-                    matchingFilter &= criteria.Ruleset == null || r.Room.PlaylistItemStats.Value.RulesetIDs.Any(id => id == criteria.Ruleset.OnlineID);
+                    matchingFilter &= criteria.Ruleset == null || r.Room.PlaylistItemStats.Value?.RulesetIDs.Any(id => id == criteria.Ruleset.OnlineID) != false;
 
                     if (!string.IsNullOrEmpty(criteria.SearchString))
                         matchingFilter &= r.FilterTerms.Any(term => term.Contains(criteria.SearchString, StringComparison.InvariantCultureIgnoreCase));