diff --git a/docker-compose.yml b/docker-compose.yml
index 778d45a..c784d73 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
       - '1883:1883'
       - '8883:8883'
     environment:
-      - TZ:'Europe/Lisbon'
+      - TZ: Europe/Lisbon
       - MOSQUITTO_CONFIG_CONTENT: >
             listener 1883 
             allow_anonymous true