diff --git a/README.md b/README.md
index f04a83e..ca01206 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,7 @@ services:
      - web # ensures that the web app can send metrics
     environment:
      - DD_API_KEY=__your_datadog_api_key_here__
+     - DD_DOGSTATSD_NON_LOCAL_TRAFFIC=true
     volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /proc/:/host/proc/:ro
@@ -75,4 +76,4 @@ How to test this?
 1. Clone this repository
 1. Update your `DD_API_KEY` in `docker-compose.yml`
 1. Run all containers with `docker-compose up`
-1. Verify in Datadog that your container picks up the docker and redis metrics
\ No newline at end of file
+1. Verify in Datadog that your container picks up the docker and redis metrics