Index: src/interface/Mainfrm.h
--- src/interface/Mainfrm.h.orig
+++ src/interface/Mainfrm.h
@@ -6,6 +6,7 @@
 #include "../include/notification.h"
 
 #include <wx/timer.h>
+#include <list>
 
 #ifndef __WXMAC__
 #include <wx/taskbar.h>
