diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp
index 6cf4c84151..d043eaed08 100644
--- a/src/msw/filedlg.cpp
+++ b/src/msw/filedlg.cpp
@@ -44,6 +44,7 @@
 
 #include "wx/dynlib.h"
 #include "wx/filename.h"
+#include "wx/scopedptr.h"
 #include "wx/scopeguard.h"
 #include "wx/tokenzr.h"
 #include "wx/modalhook.h"