diff --git a/include/wx/event.h b/include/wx/event.h
index a57df24c22..b4603bab3a 100644
--- a/include/wx/event.h
+++ b/include/wx/event.h
@@ -27,6 +27,7 @@
 #include "wx/tracker.h"
 #include "wx/typeinfo.h"
 #include "wx/any.h"
+#include "wx/vector.h"
 
 #include "wx/meta/convertible.h"