From 78a5654e1f55869acd7dbd08dedade01b4d63a79 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Mon, 5 Jan 2026 17:15:18 +0900
Subject: [PATCH] Adjust beatmap query to fix potential crash

---
 osu.Game/Beatmaps/BeatmapManager.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index d50862a369..7860dba075 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -334,7 +334,11 @@ namespace osu.Game.Beatmaps
         /// <returns>A matching local beatmap info if existing and in a valid state.</returns>
         public BeatmapInfo? QueryOnlineBeatmapId(int id) => Realm.Run(r =>
             r.All<BeatmapInfo>()
-             .ForOnlineId(id).SingleOrDefault()?.Detach());
+             .ForOnlineId(id)
+             // See https://github.com/ppy/osu/issues/36234 for why this isn't a SingleOrDefault().
+             .FirstOrDefault()
+             ?.Detach()
+        );
 
         /// <summary>
         /// A default representation of a WorkingBeatmap to use when no beatmap is available.