diff --git a/docker-compose.yml b/docker-compose.yml
index cacb2311540b705c730823497b7e836fa42719a7..7bf70fdad199c5348a20706512172e794ca7ac3e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,8 +16,8 @@ services:
       - 5672:5672 # standar port for communication
       - 15672:15672 # graphique interface
     environment:
-      - RABBITMQ_DEFAULT_USER=${RABBITMQ_USERNAME:-user}
-      - RABBITMQ_DEFAULT_PASS=${RABBITMQ_PASSWORD:-password}
+      - RABBITMQ_DEFAULT_USER=${RABBITMQ_USERNAME}
+      - RABBITMQ_DEFAULT_PASS=${RABBITMQ_PASSWORD}
     volumes:
       - rabbitmqPersistence:/var/lib/rabbitmq
     restart: unless-stopped