diff --git a/galera/bootstrap/docker-compose.yml b/galera/bootstrap/docker-compose.yml
index 377718a..36716e1 100644
--- a/galera/bootstrap/docker-compose.yml
+++ b/galera/bootstrap/docker-compose.yml
@@ -11,7 +11,7 @@ services:
       - MARIADB_ROOT_PASSWORD=${ROOT_PASSWORD}
       - MARIADB_DATABASE=owncloud
     volumes:
-      mariadb_data:/bitnami/mariadb
+      - mariadb_data:/bitnami/mariadb
     network_mode: host
 volumes:
   mariadb_data: