From a3b1e1d5fc477f54de3e359f96ea4f3ab5a90cda Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Tue, 29 Jun 2021 15:18:40 +0900
Subject: [PATCH] Check for null ruleset in FilterCriteria

---
 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 8e59dc8579..5f135a3e90 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomsContainer.cs
@@ -93,7 +93,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
                 {
                     bool matchingFilter = true;
 
-                    matchingFilter &= r.Room.Playlist.Count == 0 || r.Room.Playlist.Any(i => i.Ruleset.Value.Equals(criteria.Ruleset));
+                    matchingFilter &= r.Room.Playlist.Count == 0 || criteria.Ruleset == null || r.Room.Playlist.Any(i => i.Ruleset.Value.Equals(criteria.Ruleset));
 
                     if (!string.IsNullOrEmpty(criteria.SearchString))
                         matchingFilter &= r.FilterTerms.Any(term => term.Contains(criteria.SearchString, StringComparison.InvariantCultureIgnoreCase));