diff --git a/scripts/upgrade b/scripts/upgrade
index 78df5c3..13769d7 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,7 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 random_key=$(ynh_app_setting_get --app=$app --key=random_key)
 email=$(ynh_user_get_info --username=$admin --key=mail)
-update=$(ynh_app_setting_get --app=$app --key=update)
+tag=$(ynh_app_upstream_version)
 phpversion=$YNH_PHP_VERSION
 
 #=================================================