diff --git a/osu.Game.Tournament/TournamentGameBase.cs b/osu.Game.Tournament/TournamentGameBase.cs
index 1861e39c60..98ba3ca60f 100644
--- a/osu.Game.Tournament/TournamentGameBase.cs
+++ b/osu.Game.Tournament/TournamentGameBase.cs
@@ -238,7 +238,7 @@ namespace osu.Game.Tournament
             var beatmapsRequiringPopulation = ladder.Teams
                                                     .SelectMany(r => r.SeedingResults)
                                                     .SelectMany(r => r.Beatmaps)
-                                                    .Where(b => b.Beatmap?.OnlineID == 0 && b.ID > 0).ToList();
+                                                    .Where(b => (b.Beatmap == null || b.Beatmap.OnlineID == 0) && b.ID > 0).ToList();
 
             if (beatmapsRequiringPopulation.Count == 0)
                 return false;