diff --git a/sys/dev/dec/dz.c b/sys/dev/dec/dz.c
index fe6aefeadd75..373513f377f9 100644
--- a/sys/dev/dec/dz.c
+++ b/sys/dev/dec/dz.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: dz.c,v 1.3 2002/09/06 13:18:43 gehenna Exp $	*/
+/*	$NetBSD: dz.c,v 1.4 2002/09/18 16:51:16 ad Exp $	*/
 /*
  * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dz.c,v 1.3 2002/09/06 13:18:43 gehenna Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dz.c,v 1.4 2002/09/18 16:51:16 ad Exp $");
 
 #include "opt_ddb.h"
 
@@ -152,8 +152,10 @@ dzattach(struct dz_softc *sc, struct evcnt *parent_evcnt)
 
 	/* Initialize our softc structure. Should be done in open? */
 
-	for (n = 0; n < sc->sc_type; n++)
+	for (n = 0; n < sc->sc_type; n++) {
+		sc->sc_dz[n].dz_line = n;
 		sc->sc_dz[n].dz_tty = ttymalloc();
+	}
 
 	evcnt_attach_dynamic(&sc->sc_rintrcnt, EVCNT_TYPE_INTR, parent_evcnt,
 		sc->sc_dev.dv_xname, "rintr");
diff --git a/sys/dev/dec/dzvar.h b/sys/dev/dec/dzvar.h
index 2ea91f4f0a67..e71b4fe39ed7 100644
--- a/sys/dev/dec/dzvar.h
+++ b/sys/dev/dec/dzvar.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: dzvar.h,v 1.1 2002/02/25 14:58:08 ad Exp $	*/
+/*	$NetBSD: dzvar.h,v 1.2 2002/09/18 16:51:16 ad Exp $	*/
 /*
  * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
  * Copyright (c) 1992, 1993
@@ -61,7 +61,7 @@ struct	dz_softc {
 	u_char		sc_dsr;		/* DSR set bits if no mdm ctrl */
 	struct dz_linestate {
 		struct	dz_softc *dz_sc;	/* backpointer to softc */
-		int		dz_line;	/* sub-driver unit number */
+		int		dz_line;	/* channel number */
 		void		*dz_private;	/* sub-driver data pointer */
 		int		(*dz_catch) __P((void *, int)); /* Fast catch recv */
 		struct	tty *	dz_tty;		/* what we work on */