diff --git a/mariadb.sh b/mariadb.sh
index 8a4268e..d1e0bfd 100644
--- a/mariadb.sh
+++ b/mariadb.sh
@@ -33,7 +33,7 @@ CURRENT_DATETIME=$(date +%d-%m-%Y_%H%M%S)
 BACKUPS_PATH=/backups/mariadb
 DOCKER_SERVICE_NAME=mariadb
 
-BACKUP_FOLDER=$BACKUPS_PATH/$PGDB
+BACKUP_FOLDER=$BACKUPS_PATH/$MYSQL_DB
 
 echo 'check BACKUP_FOLDER...'
 mkdir -p "$BACKUP_FOLDER"