diff --git a/docker-compose.yml b/docker-compose.yml
index 02b2a28..a717a62 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,8 +11,8 @@ services:
     environment:
       - TZ: 'Europe/Lisbon'
       - MOSQUITTO_CONFIG_CONTENT: >
-          listener 1883
-          allow_anonymous true
+            listener 1883
+            allow_anonymous true
     volumes:
       - data:/mosquitto/data
     restart: unless-stopped