diff --git a/scripts/upgrade b/scripts/upgrade
index 8e505e1..02d5867 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,7 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 nginx_status_port=$(ynh_app_setting_get --app=$app --key=nginx_status_port)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-dbuser=$db_name
+db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 
 #=================================================