diff --git a/ironic/conductor/single.yml b/ironic/conductor/single.yml
index 5c861eb..a774c53 100644
--- a/ironic/conductor/single.yml
+++ b/ironic/conductor/single.yml
@@ -24,6 +24,7 @@
       enabled_power_interfaces:
         - ipmitool
       database:
+        user: ${_param:mysql_ironic_username}
         x509:
           enabled: ${_param:openstack_mysql_x509_enabled}
           ca_file: ${_param:mysql_ironic_ssl_ca_file}