diff --git a/ansible/roles/tacker/templates/tacker.conf.j2 b/ansible/roles/tacker/templates/tacker.conf.j2
index b4a53ff947..3042c94c57 100644
--- a/ansible/roles/tacker/templates/tacker.conf.j2
+++ b/ansible/roles/tacker/templates/tacker.conf.j2
@@ -30,8 +30,8 @@ connection = mysql+pymysql://{{ tacker_database_user }}:{{ tacker_database_passw
 max_retries = -1
 
 [keystone_authtoken]
-auth_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
-auth_url = {{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}
+auth_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}/v3
+auth_url = {{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}/v3
 auth_type = password
 project_domain_name = {{ default_project_domain_id }}
 user_domain_name = {{ default_user_domain_id }}