diff --git a/defaults/main.yml b/defaults/main.yml
index ac2b6af..e942eea 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -7,8 +7,8 @@ mariadb_container_max_connections: '512'
 mariadb_container_exposed_port: '3306'
 
 mysql_container_name: "mariadb"
-MYSQL_ROOT_PASSWORD: "mysql_root_password"
-MYSQL_USER: "mysql_db_user"
+mysql_root_password: "mysql_root_password"
+mysql_user: "mysql_db_user"
 mysql_password: "mysql_db_user_password"
 mysql_database: "mariadb_custom_database"
 
diff --git a/tasks/main.yml b/tasks/main.yml
index a3b178c..446a617 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -51,7 +51,7 @@
       MYSQL_USER: "{{ mysql_user }}"
       MYSQL_PASSWORD: "{{ mysql_password }}"
       MYSQL_DATABASE: "{{ mysql_database }}"
-      MYSQL_ROOT_PASSWORD: "{{ MYSQL_ROOT_PASSWORD }}"
+      MYSQL_ROOT_PASSWORD: "{{ mysql_root_password }}"
 
 - name: "create {{ mysql_container_name }} backup directory"
   ansible.builtin.file:
@@ -73,7 +73,7 @@
     name: "Daily dump of mariadb {{ mysql_database }}"
     minute: "11"
     hour: "*/4"
-    job: "docker exec {{ mysql_container_name }} sh -c 'exec mariadb-dump --lock-tables --all-databases --user=root --password={{ MYSQL_ROOT_PASSWORD }}' >
+    job: "docker exec {{ mysql_container_name }} sh -c 'exec mariadb-dump --lock-tables --all-databases --user=root --password={{ mysql_root_password }}' >
       {{ container_storage_dir_base_backup }}/{{ mysql_container_name }}_backups/{{ mysql_container_name }}.sql;
       bzip2 -f {{ container_storage_dir_base_backup }}/{{ mysql_container_name }}_backups/{{ mysql_container_name }}.sql"
   tags: