diff --git a/octavia/api/single.yml b/octavia/api/single.yml
index c42009d..b359885 100644
--- a/octavia/api/single.yml
+++ b/octavia/api/single.yml
@@ -10,6 +10,7 @@
       bind:
         address: ${_param:single_address}
       database:
+        user: ${_param:mysql_octavia_username}
         host: ${_param:openstack_database_address}
         x509:
           enabled: ${_param:openstack_mysql_x509_enabled}
@@ -19,6 +20,7 @@
         ssl:
           enabled: ${_param:galera_ssl_enabled}
       identity:
+        user: ${_param:keystone_octavia_username}
         region: ${_param:openstack_region}
         protocol: ${_param:cluster_internal_protocol}
       message_queue: