diff --git a/grafana/server/single.yml b/grafana/server/single.yml
index 6303430..c7aa8a9 100644
--- a/grafana/server/single.yml
+++ b/grafana/server/single.yml
@@ -15,7 +15,7 @@
         host: ${_param:openstack_database_address}
         port: 3306
         name: grafana
-        user: grafana
+        user: ${_param:mysql_grafana_username}
         password: ${_param:mysql_grafana_password}
       auth:
         basic: