diff --git a/docker-compose.yml b/docker-compose.yml
index f2c93ee..7a22a21 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,10 +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