diff --git a/classes/cluster/os-ha-ovs/openstack/compute.yml b/classes/cluster/os-ha-ovs/openstack/compute.yml
index 96db48a..8932786 100644
--- a/classes/cluster/os-ha-ovs/openstack/compute.yml
+++ b/classes/cluster/os-ha-ovs/openstack/compute.yml
@@ -15,6 +15,7 @@
     linux_system_codename: xenial
   nova:
     compute:
+      cpu_mode: none
       vncproxy_url: http://${_param:cluster_vip_address}:6080
       notification:
         driver: messagingv2