diff --git a/inventory/group_vars/mailman-stg b/inventory/group_vars/mailman-stg
index 283e26fb47..646dbf423d 100644
--- a/inventory/group_vars/mailman-stg
+++ b/inventory/group_vars/mailman-stg
@@ -8,3 +8,13 @@ num_cpus: 2
 
 tcp_ports: [ 25, 80, 443 ]
 fas_client_groups: sysadmin-tools
+
+# default virt install command is for a single nic-device
+# define in another group file for more nics (see buildvm)
+virt_install_command: /usr/sbin/virt-install -n ${inventory_hostname} -r ${mem_size}
+                 --disk bus=virtio,${volgroup}/${inventory_hostname}
+                 --vcpus=${num_cpus}  -l ${ks_repo} -x
+                 "ksdevice=eth0 ks=${ks_url} ip=${eth0_ip} netmask=${nm}
+                  gateway=${gw} dns=${dns} console=tty0 console=ttyS0
+                  hostname=${inventory_hostname}"
+                 --network=bridge=br0 --autostart --noautoconsole