diff --git a/src/os2/dir.cpp b/src/os2/dir.cpp
index c7844fb1f4..3c10f9bff8 100644
--- a/src/os2/dir.cpp
+++ b/src/os2/dir.cpp
@@ -25,6 +25,7 @@
 #include "wx/wxprec.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/os2/private.h"
     #include "wx/intl.h"
     #include "wx/log.h"
 #endif // PCH