1 files changed, 4 insertions, 1 deletions
diff --git a/gtk2_ardour/marker_view.h b/gtk2_ardour/marker_view.h
index a3e7dc3fea..da45b33dd9 100644
--- a/gtk2_ardour/marker_view.h
+++ b/gtk2_ardour/marker_view.h
@@ -22,11 +22,14 @@
 #define __gtk_ardour_marker_view_h__
 
 #include <string>
-#include <gtkmm.h>
 #include "time_axis_view_item.h"
 
 #include "canvas.h"
 
+namespace Gdk {
+	class Color;
+}
+
 class MarkerTimeAxisView ;
 class ImageFrameView ;