diff --git a/usr.sbin/config/Makefile b/usr.sbin/config/Makefile
index 07de621ffb67..47439a9c6f6d 100644
--- a/usr.sbin/config/Makefile
+++ b/usr.sbin/config/Makefile
@@ -3,12 +3,14 @@
 PROG=	config
 CFLAGS+=-I. -I${.CURDIR}
 SRCS=	config.c main.c lang.c mkioconf.c mkmakefile.c mkglue.c mkheaders.c \
-	mkoptions.c mkswapconf.c
+	mkoptions.c mkswapconf.c y.tab.h
 MAN8=	config.8
 DPADD=	${LIBL}
 LDADD=	-ll
 CLEANFILES+= config.c lang.c lex.yy.c y.tab.[ch]
 
+y.tab.h: config.c
+
 .include <bsd.prog.mk>
 
 $(OBJS): configvers.h