diff --git a/scripts/backup b/scripts/backup
index 910eee9..e154b89 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -69,7 +69,7 @@ ynh_backup --src_path="/var/log/$app"
 #=================================================
 ynh_print_info --message="Backing up the MySQL database..."
 
-ynh_mysql_dump_db --database="$db_name" > db.sql
+ynh_mysql_dump_db --database="$dbname" > db.sql
 
 #=================================================
 # END OF SCRIPT