diff --git a/changedetection/docker-compose.yml b/changedetection/docker-compose.yml
index d5283e4..efd9dc9 100644
--- a/changedetection/docker-compose.yml
+++ b/changedetection/docker-compose.yml
@@ -10,7 +10,7 @@ services:
       - PGID=1000
       - TZ=Europe/Copenhagen
       - BASE_URL= #optional
-      - WEBDRIVER_URL: http://selenium:4444
+      - WEBDRIVER_URL=http://selenium:4444
     volumes:
       - /srv/changedetection/config:/config
     ports: