diff --git a/src/include/Makefile b/src/include/Makefile
index f3b53e53..622e2cea 100644
--- a/src/include/Makefile
+++ b/src/include/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.179 2013/12/04 22:58:24 deraadt Exp $
+#	$OpenBSD: Makefile,v 1.180 2013/12/05 17:16:02 deraadt Exp $
 #	$NetBSD: Makefile,v 1.59 1996/05/15 21:36:43 jtc Exp $
 
 #	@(#)Makefile	5.45.1.1 (Berkeley) 5/6/91
@@ -16,7 +16,7 @@ FILES=	a.out.h ar.h assert.h bitstring.h blf.h bm.h bsd_auth.h \
 	langinfo.h libgen.h limits.h locale.h login_cap.h malloc.h math.h md4.h \
 	md5.h memory.h mpool.h ndbm.h netdb.h netgroup.h nlist.h nl_types.h \
 	ohash.h paths.h poll.h pwd.h ranlib.h readpassphrase.h regex.h \
-	resolv.h rmd160.h search.h setjmp.h sha1.h sha2.h signal.h sndio.h \
+	resolv.h rmd160.h search.h setjmp.h sgtty.h sha1.h sha2.h signal.h sndio.h \
 	spawn.h stdbool.h stddef.h stdio.h stdlib.h string.h strings.h struct.h \
 	sysexits.h tar.h tgmath.h time.h ttyent.h tzfile.h unistd.h utime.h \
 	utmp.h vis.h wchar.h wctype.h