diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 1adcf0d772..fedcf44d7c 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 }}
                   hostname={{ inventory_hostname }} nameserver={{ dns }}
                   ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none'
                  --network bridge={{ main_bridge }},model=virtio
-                 --autostart --noautoconsole --watchdog default
+                 --autostart --noautoconsole --watchdog default --cpu host
 
 virt_install_command_two_nic: virt-install -n {{ inventory_hostname }}
                  --memory={{ mem_size }},maxmemory={{ max_mem_size }} --memballoon virtio