diff --git a/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs b/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs index ee75b77747..f1dc933a3f 100644 --- a/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs +++ b/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs @@ -36,6 +36,9 @@ namespace osu.Game.Beatmaps.Drawables public BeatmapSetHeader(WorkingBeatmap beatmap) { + if (beatmap == null) + throw new ArgumentNullException(nameof(beatmap)); + this.beatmap = beatmap; Children = new Drawable[]