diff --git a/scripts/upgrade b/scripts/upgrade
index 6306889..66d61d6 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,7 +20,7 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
-architecture=$(ynh_app_setting_get --app=$app --key=architecture)
+architecture=$YNH_ARCH
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)