diff --git a/usr.sbin/pppd/pppd/sys-bsd.c b/usr.sbin/pppd/pppd/sys-bsd.c
index e0c0b2818bff..824284cce46b 100644
--- a/usr.sbin/pppd/pppd/sys-bsd.c
+++ b/usr.sbin/pppd/pppd/sys-bsd.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: sys-bsd.c,v 1.22 1997/09/29 19:05:53 christos Exp $	*/
+/*	$NetBSD: sys-bsd.c,v 1.23 1997/09/30 16:45:16 christos Exp $	*/
 
 /*
  * sys-bsd.c - System-dependent procedures for setting up
@@ -27,7 +27,7 @@
 #if 0
 static char rcsid[] = "Id: sys-bsd.c,v 1.28 1997/04/30 05:57:46 paulus Exp ";
 #else
-__RCSID("$NetBSD: sys-bsd.c,v 1.22 1997/09/29 19:05:53 christos Exp $");
+__RCSID("$NetBSD: sys-bsd.c,v 1.23 1997/09/30 16:45:16 christos Exp $");
 #endif
 #endif
 
@@ -962,6 +962,7 @@ sifaddr(u, o, h, m)
     u_int32_t o, h, m;
 {
     struct ifaliasreq ifra;
+    struct ifreq ifr;
 
     strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
     SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
@@ -973,6 +974,12 @@ sifaddr(u, o, h, m)
 	((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m;
     } else
 	BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
+    BZERO(&ifr, sizeof(ifr));
+    strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+    if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifr) < 0) {
+	if (errno != EADDRNOTAVAIL)
+	    syslog(LOG_WARNING, "Couldn't remove interface address: %m");
+    }
     if (ioctl(sockfd, SIOCAIFADDR, (caddr_t) &ifra) < 0) {
 	if (errno != EEXIST) {
 	    syslog(LOG_ERR, "Couldn't set interface address: %m");