diff --git a/ansible/roles/neutron/templates/metadata_agent.ini.j2 b/ansible/roles/neutron/templates/metadata_agent.ini.j2
index 1092545f13..0b1a34dd65 100644
--- a/ansible/roles/neutron/templates/metadata_agent.ini.j2
+++ b/ansible/roles/neutron/templates/metadata_agent.ini.j2
@@ -1,5 +1,6 @@
 # metadata_agent.ini
 [DEFAULT]
+auth_ca_cert = {{ openstack_cacert | default(omit) }}
 nova_metadata_host = {{ nova_internal_fqdn }}
 nova_metadata_port = {{ nova_metadata_port }}
 metadata_proxy_shared_secret = {{ metadata_secret }}