diff --git a/scripts/upgrade b/scripts/upgrade
index dce76da..dd8c7aa 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,14 +18,12 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION
 #=================================================
-ynh_script_progression --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
@@ -122,8 +120,8 @@ then
 
 	pushd "$final_path"
 		ynh_use_nodejs
-		ynh_exec_warn_less ynh_exec_as $app npm install
-		ynh_exec_warn_less ynh_exec_as $app npm run build
+		ynh_exec_warn_less ynh_npm install
+		ynh_exec_warn_less ynh_npm run build
 	popd
 fi