diff --git a/src/music_gui.cpp b/src/music_gui.cpp
--- a/src/music_gui.cpp
+++ b/src/music_gui.cpp
@@ -345,12 +345,12 @@ static const Widget _music_track_selecti
 {   WIDGETS_END},
 };
 
-static const WindowDesc _music_track_selection_desc = {
+static const WindowDesc _music_track_selection_desc(
 	104, 131, 432, 218, 432, 218,
 	WC_MUSIC_TRACK_SELECTION, WC_NONE,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
-	_music_track_selection_widgets,
-};
+	_music_track_selection_widgets
+);
 
 static void ShowMusicTrackSelection()
 {
@@ -546,12 +546,12 @@ static const Widget _music_window_widget
 {   WIDGETS_END},
 };
 
-static const WindowDesc _music_window_desc = {
+static const WindowDesc _music_window_desc(
 	0, 22, 300, 66, 300, 66,
 	WC_MUSIC_WINDOW, WC_NONE,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
-	_music_window_widgets,
-};
+	_music_window_widgets
+);
 
 void ShowMusicWindow()
 {