diff --git a/smartHome/docker-compose.yaml b/smartHome/docker-compose.yaml
index 76383ff..5e15c6e 100644
--- a/smartHome/docker-compose.yaml
+++ b/smartHome/docker-compose.yaml
@@ -40,7 +40,7 @@ services:
     environment:
       - TZ=Europe/Berlin
     devices:
-      - /dev/ttyACM0:/dev/ttyACM0
+      - ${ZIGBEE_DEVICE}:/dev/ttyACM0
     networks:
       - web
     labels: