diff --git a/src/music_gui.cpp b/src/music_gui.cpp
--- a/src/music_gui.cpp
+++ b/src/music_gui.cpp
@@ -496,7 +496,7 @@ static const NWidgetPart _nested_music_t
 };
 
 static WindowDesc _music_track_selection_desc(
-	WDP_AUTO, 0, 0,
+	WDP_AUTO, "music_track", 0, 0,
 	WC_MUSIC_TRACK_SELECTION, WC_NONE,
 	0,
 	_nested_music_track_selection_widgets, lengthof(_nested_music_track_selection_widgets)
@@ -759,7 +759,7 @@ static const NWidgetPart _nested_music_w
 };
 
 static WindowDesc _music_window_desc(
-	WDP_AUTO, 0, 0,
+	WDP_AUTO, "music", 0, 0,
 	WC_MUSIC_WINDOW, WC_NONE,
 	0,
 	_nested_music_window_widgets, lengthof(_nested_music_window_widgets)