diff --git a/src/msw/main.cpp b/src/msw/main.cpp
index 20a274a5dc..13c6321b2b 100644
--- a/src/msw/main.cpp
+++ b/src/msw/main.cpp
@@ -28,6 +28,7 @@
     #pragma hdrstop
 #endif
 
+#include "wx/init.h"
 #include "wx/event.h"
 #include "wx/app.h"
 #include "wx/cmdline.h"