diff --git a/lib/subnet.sh b/lib/subnet.sh
index b0be7f8..3551973 100644
--- a/lib/subnet.sh
+++ b/lib/subnet.sh
@@ -82,7 +82,7 @@ function create_subnet {
         ebtables -A FORWARD --out-interface "br-${subnet_id}" -p arp --arp-op Request --arp-ip-dst "${gateway_ip}" -j DROP
         ebtables -A FORWARD --out-interface "br-${subnet_id}" -p IPv4 --ip-protocol udp --ip-source-port 67:68 --ip-destination-port 67:68 -j DROP
 
-        generate_dhcp_file "${subnet}" "${vpc_name}_br-${subnet_id}" "${router_ip}"
+        generate_dhcp_file "${subnet}" "${vpc_name}_br-${subnet_id}" "${gateway_ip}"
         systemctl start "dnsmasq@${vpc_name}_br-${subnet_id}.service"
 
     }