diff --git a/wireguard-install.sh b/wireguard-install.sh
index 3d39015..8ba6cec 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -194,7 +194,7 @@ PrivateKey = ${SERVER_PRIV_KEY}" >"/etc/wireguard/${SERVER_WG_NIC}.conf"
 		echo "PostUp = firewall-cmd --add-port ${SERVER_PORT}/udp && firewall-cmd --add-rich-rule='rule family=ipv4 source address=${FIREWALLD_IPV4_ADDRESS}/24 masquerade' && firewall-cmd --add-rich-rule='rule family=ipv6 source address=${FIREWALLD_IPV6_ADDRESS}/24 masquerade'
 PostDown = firewall-cmd --remove-port ${SERVER_PORT}/udp && firewall-cmd --remove-rich-rule='rule family=ipv4 source address=${FIREWALLD_IPV4_ADDRESS}/24 masquerade' && firewall-cmd --remove-rich-rule='rule family=ipv6 source address=${FIREWALLD_IPV6_ADDRESS}/24 masquerade'" >>"/etc/wireguard/${SERVER_WG_NIC}.conf"
 	else
-		echo "PostUp = iptables -A FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_WG_NIC} -j ACCEPT; iptables -A FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; iptables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE; ip6tables -A FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; ip6tables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE
+		echo "PostUp = iptables -A FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_WG_NIC} -j ACCEPT; iptables -A FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; iptables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE; ip6tables -A FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; ip6tables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE; sudo iptables -A INPUT -p udp --dport ${SERVER_PORT} -j ACCEPT
 PostDown = iptables -D FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_WG_NIC} -j ACCEPT; iptables -D FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; iptables -t nat -D POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE; ip6tables -D FORWARD -i ${SERVER_WG_NIC} -j ACCEPT; ip6tables -t nat -D POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE" >>"/etc/wireguard/${SERVER_WG_NIC}.conf"
 	fi