diff --git a/openvpn-install.sh b/openvpn-install.sh
index 98ffd1d..68a0bb0 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -190,8 +190,9 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
 	echo "   4) OpenDNS"
 	echo "   5) Quad9"
 	echo "   6) AdGuard"
+  echo "   7) custom"
 	read -p "DNS server [1]: " dns
-	until [[ -z "$dns" || "$dns" =~ ^[1-6]$ ]]; do
+	until [[ -z "$dns" || "$dns" =~ ^[1-7]$ ]]; do
 		echo "$dns: invalid selection."
 		read -p "DNS server [1]: " dns
 	done