diff --git a/README.md b/README.md
index 4b4d649..3061970 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ commands installed.
 To start the ChirpStack simply run:
 
 ```bash
-$ POSTGRES_USER=postgres docker-compose up
+$ docker-compose up
 ```
 
 After all the components have been initialized and started, you should be able