diff --git a/inventory/group_vars/buildvm_stg b/inventory/group_vars/buildvm_stg
index 05176aabb5..89458f294a 100644
--- a/inventory/group_vars/buildvm_stg
+++ b/inventory/group_vars/buildvm_stg
@@ -9,6 +9,7 @@ datacenter: iad2
 dns: 10.3.163.33
 eth0_ip: 10.3.169.51
 gw: 10.3.169.254
+nm: 255.255.255.0
 ks_repo: http://10.3.163.35/pub/fedora/linux/releases/32/Server/x86_64/os/
 ks_url: http://10.3.163.35/repo/rhel/ks/buildvm-fedora-32-iad2
 resolvconf: "resolv.conf/iad2"