diff --git a/src/core/song.h b/src/core/song.h
index a516202f8..b66f747cd 100644
--- a/src/core/song.h
+++ b/src/core/song.h
@@ -422,6 +422,8 @@ using SongMap = QMap<QString, Song>;
 Q_DECLARE_METATYPE(Song)
 Q_DECLARE_METATYPE(SongList)
 Q_DECLARE_METATYPE(SongMap)
+Q_DECLARE_METATYPE(Song::Source)
+Q_DECLARE_METATYPE(Song::FileType)
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 size_t qHash(const Song &song);