diff --git a/ansible/pre-deploy.yml b/ansible/pre-deploy.yml
index bbb8972..502da66 100644
--- a/ansible/pre-deploy.yml
+++ b/ansible/pre-deploy.yml
@@ -31,10 +31,9 @@
         app: keycloak
         restart: false
         config:
-          DB_ADDR: "dokku-mariadb-keycloak:3306"
+          DB_ADDR: "dokku-mariadb-keycloak"
           DB_DATABASE: "keycloak"
           DB_PASSWORD: "{{ db_passwd }}"
-          DB_PORT: "3306"
           DB_USER: "mariadb" # https://github.com/dokku/dokku-mariadb/issues/89
           DB_VENDOR: "mariadb"
           DOKKU_LETSENCRYPT_EMAIL: "{{ autonomic_admin_mail }}"