Fix possible nullref
Fix possible nullref

smoogipoo/osu,ppy/osu,ZLima12/osu,UselessToucan/osu,UselessToucan/osu,UselessToucan/osu,johnneijzen/osu,ZLima12/osu,EVAST9919/osu,smoogipooo/osu,smoogipoo/osu,johnneijzen/osu,ppy/osu,EVAST9919/osu,NeoAdonis/osu,2yangk23/osu,peppy/osu,peppy/osu-new,NeoAdonis/osu,smoogipoo/osu,NeoAdonis/osu,peppy/osu,2yangk23/osu,peppy/osu,ppy/osu