diff --git a/playbooks/containers-lxc-host.yml b/playbooks/containers-lxc-host.yml
index 19365d8068..4016304f13 100644
--- a/playbooks/containers-lxc-host.yml
+++ b/playbooks/containers-lxc-host.yml
@@ -23,6 +23,7 @@
   hosts: "{{ lxc_host_group | default('lxc_hosts') }}"
   user: root
   gather_facts: false
+  serial: "{{ lxc_hosts_serial | default(['100%']) }}"
   vars_files:
     - defaults/repo_packages/openstack_services.yml
     - "defaults/{{ install_method }}_install.yml"