diff --git a/scripts/install b/scripts/install
index 353124f..9824915 100644
--- a/scripts/install
+++ b/scripts/install
@@ -23,7 +23,7 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
-architecture=$YNH_ARCH
+architecture=$(ynh_detect_arch)
 
 app=$YNH_APP_INSTANCE_NAME
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 9835ca1..963eea5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,7 +21,7 @@ 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)
 peer_port=$(ynh_app_setting_get --app=$app --key=peer_port)
-architecture=$YNH_ARCH
+architecture=$(ynh_detect_arch)
 
 download_directory=$(ynh_app_setting_get --app=$app --key=download_directory)
 watch_directory=$(ynh_app_setting_get --app=$app --key=watch_directory)