diff --git a/README.md b/README.md
index 23e91b2..8802aa7 100644
--- a/README.md
+++ b/README.md
@@ -32,5 +32,5 @@ For the backend, install dependencies and run the server:
 
 ```sh
 pip install -r simple_chat_api/requirements.txt
-python -m simple_chat_api
+DEV=true python -m simple_chat_api
 ```