diff --git a/src/common/filename.cpp b/src/common/filename.cpp
index 17f40be930..6434bcbaef 100644
--- a/src/common/filename.cpp
+++ b/src/common/filename.cpp
@@ -99,7 +99,8 @@
 #endif
 
 #ifdef __WINDOWS__
-#include "wx/msw/private.h"
+    #include "wx/msw/private.h"
+    #include "wx/msw/missing.h"
 #endif
 
 #if defined(__WXMAC__)