diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index b8892bffd7..080d547885 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -1645,7 +1645,6 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/msw/checklst.h
     wx/msw/fdrepdlg.h
     wx/msw/fontdlg.h
-    wx/msw/helpbest.h
     wx/msw/ole/automtn.h
     wx/msw/ole/uuid.h
 </set>
@@ -2766,6 +2765,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/wxhtml.h
     <!-- wxHTML users: -->
     wx/htmllbox.h
+    wx/msw/helpbest.h
 </set>