-#ifdef INTERFACE
+#ifndef DIALOG_MULTIPLAYER_MEDIA_MUSICPLAYER_H
+#define DIALOG_MULTIPLAYER_MEDIA_MUSICPLAYER_H
CLASS(XonoticMusicPlayerTab, XonoticTab)
METHOD(XonoticMusicPlayerTab, fill, void(entity))
ATTRIB(XonoticMusicPlayerTab, title, string, _("Music"))