diff --git a/scripts/upgrade b/scripts/upgrade
index 455432b..7f75ed6 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,6 +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)
 stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)
+architecture=$(ynh_detect_arch)
 
 #=================================================
 # CHECK VERSION