diff --git a/src/msw/fdrepdlg.cpp b/src/msw/fdrepdlg.cpp
index fbfd80833d..1c2006f35d 100644
--- a/src/msw/fdrepdlg.cpp
+++ b/src/msw/fdrepdlg.cpp
@@ -34,6 +34,8 @@
 
 #include "wx/fdrepdlg.h"
 
+#include "wx/msw/mslu.h"
+
 // ----------------------------------------------------------------------------
 // functions prototypes
 // ----------------------------------------------------------------------------