diff --git a/arch-config/scripts/pieces/wireguard-lan-routes.sh b/arch-config/scripts/pieces/wireguard-lan-routes.sh
index 20767e56..5b1dd64f 100755
--- a/arch-config/scripts/pieces/wireguard-lan-routes.sh
+++ b/arch-config/scripts/pieces/wireguard-lan-routes.sh
@@ -35,6 +35,9 @@ for file in "${conffiles[@]}"; do
         # hetzner net
         awk 'NR==5{print "PostUp = ip route add 172.18.50.0/24 via 172.16.7.1 metric 10"}NR==5{print "PreDown = ip route del 172.18.50.0/24"}1' "$file" > "${file}.tmp"
         mv "${file}.tmp" "$file"
+        # lan1dmz net
+        awk 'NR==5{print "PostUp = ip route add 172.16.11.0/24 via 172.16.7.1 metric 10"}NR==5{print "PreDown = ip route del 172.16.11.0/24"}1' "$file" > "${file}.tmp"
+        mv "${file}.tmp" "$file"
         # NOTE only one PreDown line is required as we are using a specific table for this
         # TODO tables do not work as intended
         #awk 'NR==5{print "PostUp = ip route add 192.168.1.0/24 via 192.168.86.1 metric 10 table 7"}NR==5{print "PreDown = ip route flush table 7"}1' "$file" > "${file}.tmp"