diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 97580ec69e..fd59bcdb2d 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -35,6 +35,7 @@
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/frame.h"
+    #include "wx/containr.h"        // wxSetFocusToChild()
 #endif //WX_PRECOMP
 
 #include "wx/msw/private.h"