diff --git a/include/wxex/appex.h b/include/wxex/appex.h
index 7b08537..75d5064 100644
--- a/include/wxex/appex.h
+++ b/include/wxex/appex.h
@@ -19,6 +19,8 @@
 
 #pragma once
 
+#include "common.h"
+
 #include <wx/app.h>
 #include <wx/intl.h>