diff --git a/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs b/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs index e73e056cb4..f231342234 100644 --- a/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs +++ b/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs @@ -163,6 +163,11 @@ namespace osu.Game.Beatmaps.Formats private void handleMetadata(Beatmap beatmap, string line) { + if (beatmap == null) + throw new ArgumentNullException(nameof(beatmap)); + if (line == null) + throw new ArgumentNullException(nameof(line)); + var pair = splitKeyVal(line, ':'); var metadata = beatmap.BeatmapInfo.Metadata;