diff --git a/ansible/roles/blazar/templates/blazar.conf.j2 b/ansible/roles/blazar/templates/blazar.conf.j2
index ae7a8710fada878591bc7854284876ab7cf97ddc..b997fa0c42c75e7055f6978c715b298e521b9e24 100644
--- a/ansible/roles/blazar/templates/blazar.conf.j2
+++ b/ansible/roles/blazar/templates/blazar.conf.j2
@@ -4,7 +4,7 @@ log_dir = /var/log/kolla/blazar
 transport_url = {{ rpc_transport_url }}
 host = {{ api_interface_address }}
 port = {{ blazar_api_port }}
-os_auth_host = {{ kolla_internal_fqdn }}
+os_auth_host = {{ keystone_internal_fqdn }}
 os_auth_port = {{ keystone_admin_port }}
 os_auth_protocol = {{ admin_protocol }}
 os_auth_version = v3