diff --git a/src/msw/timer.cpp b/src/msw/timer.cpp
index 5b57dea5de..cece7e76a1 100644
--- a/src/msw/timer.cpp
+++ b/src/msw/timer.cpp
@@ -28,6 +28,7 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/hashmap.h"
+    #include "wx/module.h"
 #endif
 
 #include "wx/msw/private.h"