diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 358603584c..9bd400edd4 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -78,7 +78,7 @@ virt_install_command_one_nic: virt-install -n {{ inventory_hostname }}
                  'net.ifnames=0 ksdevice=eth0 ks={{ ks_url }} console=tty0 console=ttyS0
                   hostname={{ inventory_hostname }} nameserver={{ dns }}
                   ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none'
-                 --network bridge={{ main_bridge }},model=virtio
+                 --network bridge={{ main_bridge }},model=virtio,mac=RANDOM
                  --autostart --noautoconsole --watchdog default --rng /dev/random --cpu host
 
 virt_install_command_two_nic: virt-install -n {{ inventory_hostname }}