diff --git a/gtk/gtkactionobservable.h b/gtk/gtkactionobservable.h
index b223227192..73c54ca930 100644
--- a/gtk/gtkactionobservable.h
+++ b/gtk/gtkactionobservable.h
@@ -20,7 +20,7 @@
 #ifndef __GTK_ACTION_OBSERVABLE_H__
 #define __GTK_ACTION_OBSERVABLE_H__
 
-#include <gtk/gtkactionobserver.h>
+#include "gtkactionobserver.h"
 
 G_BEGIN_DECLS