diff --git a/files/dhcpd.conf.j2 b/files/dhcpd.conf.j2
index 899c9fd..8cd5205 100644
--- a/files/dhcpd.conf.j2
+++ b/files/dhcpd.conf.j2
@@ -4,7 +4,7 @@ option domain-name "fftdf";
 default-lease-time 300;
 max-lease-time 3600;
 log-facility local7;
-subnet 10.188.0.0 netmask 255.255.0.0 {
+subnet {{ sn_mesh_IPv4_net }} netmask 255.255.224.0 {
 authoritative;
 range {{ sn_dhcp_range }};
 option domain-name-servers {{ sn_mesh_IPv4 }};