diff --git a/distrib/msw/tmake/filelist.txt b/distrib/msw/tmake/filelist.txt
index 64e50ea75b..c0438f0cad 100644
--- a/distrib/msw/tmake/filelist.txt
+++ b/distrib/msw/tmake/filelist.txt
@@ -601,6 +601,7 @@ calctrl.h	W
 caret.h	W
 checkbox.h	W
 checklst.h	W
+chkconf.h	W	B
 choicdlg.h	W
 choice.h	W
 clipbrd.h	W