diff --git a/sys/arch/alpha/alpha/promcons.c b/sys/arch/alpha/alpha/promcons.c
index 7a0a2ecf3d3e..6366e5db1a02 100644
--- a/sys/arch/alpha/alpha/promcons.c
+++ b/sys/arch/alpha/alpha/promcons.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: promcons.c,v 1.2 1995/06/28 02:45:19 cgd Exp $	*/
+/*	$NetBSD: promcons.c,v 1.3 1996/05/30 18:44:30 cgd Exp $	*/
 
 /*
  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
@@ -64,9 +64,10 @@ promopen(dev, flag, mode, p)
 
 	s = spltty();
 
-	if (!prom_tty[unit])
+	if (!prom_tty[unit]) {
 		tp = prom_tty[unit] = ttymalloc();
-	else
+		tty_attach(tp);
+	} else
 		tp = prom_tty[unit];
 
 	tp->t_oproc = promstart;
diff --git a/sys/arch/alpha/tc/scc.c b/sys/arch/alpha/tc/scc.c
index cb4e721bf560..d6bef061a1da 100644
--- a/sys/arch/alpha/tc/scc.c
+++ b/sys/arch/alpha/tc/scc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: scc.c,v 1.16 1996/04/29 14:48:25 cgd Exp $	*/
+/*	$NetBSD: scc.c,v 1.17 1996/05/30 18:44:40 cgd Exp $	*/
 
 /* 
  * Copyright (c) 1991,1990,1989,1994,1995,1996 Carnegie Mellon University
@@ -305,6 +305,7 @@ sccattach(parent, self, aux)
 	for (cntr = 0; cntr < 2; cntr++) {
 		pdp->p_addr = (void *)sccaddr;
 		tp = scc_tty[sc->sc_dv.dv_unit * 2 + cntr] = ttymalloc();
+		tty_attach(tp);
 		pdp->p_arg = (long)tp;
 		pdp->p_fcn = (void (*)())0;
 		tp->t_dev = (dev_t)((sc->sc_dv.dv_unit << 1) | cntr);
@@ -473,8 +474,10 @@ sccopen(dev, flag, mode, p)
 	if (sc->scc_pdma[line].p_addr == NULL)
 		return (ENXIO);
 	tp = scc_tty[minor(dev)];
-	if (tp == NULL)
+	if (tp == NULL) {
 		tp = scc_tty[minor(dev)] = ttymalloc();
+		tty_attach(tp);
+	}
 	tp->t_oproc = sccstart;
 	tp->t_param = sccparam;
 	tp->t_dev = dev;
diff --git a/sys/arch/alpha/wscons/wscons.c b/sys/arch/alpha/wscons/wscons.c
index 5f9a1d3b0762..49274d3aacdb 100644
--- a/sys/arch/alpha/wscons/wscons.c
+++ b/sys/arch/alpha/wscons/wscons.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: wscons.c,v 1.3 1996/04/17 21:48:30 cgd Exp $	*/
+/*	$NetBSD: wscons.c,v 1.4 1996/05/30 18:44:51 cgd Exp $	*/
 
 /*
  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
@@ -175,6 +175,7 @@ wsconsattach(parent, self, aux)
 	 * Set up the device's tty structure.
 	 */
 	sc->sc_tty = ttymalloc();
+	tty_attach(sc->sc_tty);
 
 	/*
 	 * Record other relevant information: ioctl and mmap functions.