diff --git a/README.md b/README.md
index 5888a4e..609ca04 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ I rewrote a couple of things today to make sure the script still works.
  * install Perl dependencies
  * install PHP composer dependencies: `cd ./web && composer install`
  * install Javascript dependencies: `cd ./web && npm install`
- * compile the Javascript sources: `cd ./web && npx mix production`
+ * compile the Javascript sources: `cd ./web && npx mix --production`
  * create a Database and import the schema from `sql/create.sql`
  * create your own `.env` file: `cp .env.example .env` and adapt it to your needs
  * create a webserver vhost with document root to the `web` directory