diff --git a/usr.sbin/rtadvd/rtadvd.c b/usr.sbin/rtadvd/rtadvd.c
index 4a9d276b4ee8..d5a58459e19f 100644
--- a/usr.sbin/rtadvd/rtadvd.c
+++ b/usr.sbin/rtadvd/rtadvd.c
@@ -1169,8 +1169,8 @@ struct rainfo *rainfo;
 
 	if (i < 0 || i != rainfo->ra_datalen)  {
 		if (i < 0) {
-			syslog(LOG_ERR, "<%s> sendmsg: %s",
-			       __FUNCTION__, strerror(errno));
+			syslog(LOG_ERR, "<%s> sendmsg to %s: %s",
+			       __FUNCTION__, rainfo->ifname, strerror(errno));
 		}
 	}