diff --git a/ubuntu/roles/firewall-ruleset-deploy/files/demonreach.asininetech.net.rules.v4 b/ubuntu/roles/firewall-ruleset-deploy/files/demonreach.asininetech.net.rules.v4
index 0d7a70d..6a5a150 100644
--- a/ubuntu/roles/firewall-ruleset-deploy/files/demonreach.asininetech.net.rules.v4
+++ b/ubuntu/roles/firewall-ruleset-deploy/files/demonreach.asininetech.net.rules.v4
@@ -12,7 +12,7 @@
 -A INPUT -p udp --dport 1194 -j ACCEPT
 -A INPUT -p udp --dport 53 -s 10.8.0.1/24 -j ACCEPT
 -A INPUT -p tcp --dport 53 -s 10.8.0.1/24 -j ACCEPT
--A INPUT -p udp --dport 53 -s 10.66.66.0/24/24 -j ACCEPT
+-A INPUT -p udp --dport 53 -s 10.66.66.0/24 -j ACCEPT
 -A INPUT -p tcp --dport 53 -s 10.66.66.0/24 -j ACCEPT
 -A INPUT -p udp --dport 51802 -j ACCEPT
 COMMIT