--- a/ui/ui/ui.h	Sat Mar 22 10:37:12 2014 +0100
+++ b/ui/ui/ui.h	Sat Mar 22 15:34:20 2014 +0100
@@ -34,6 +34,7 @@
 #include "toolbar.h"
 #include "window.h"
 #include "stock.h"
+#include "button.h"
 
 #endif	/* UI_H */