diff --git a/att-ipv6/10-att-ipv6.sh b/att-ipv6/10-att-ipv6.sh
index a73839c..e3b5fab 100755
--- a/att-ipv6/10-att-ipv6.sh
+++ b/att-ipv6/10-att-ipv6.sh
@@ -16,6 +16,8 @@ test -f "${confdir}/dhcpcd.conf" || {
   : > "${confdir}/dhcpcd.conf.tmp"
   cat >> "${confdir}/dhcpcd.conf.tmp" <<EOF
 allowinterfaces ${wan_iface}
+nodev
+noup
 ipv6only
 nooption domain_name_servers
 nooption domain_name