diff --git a/docker-compose.yml b/docker-compose.yml
index 203a14f..4014082 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -63,8 +63,7 @@ services:
       GRAYLOG_HTTP_EXTERNAL_URI: "http://localhost:9000/"
       GRAYLOG_ELASTICSEARCH_HOSTS: "http://opensearch:9200"
       GRAYLOG_MONGODB_URI: "mongodb://mongodb:27017/graylog"
-      GRAYLOG_TIMEZONE: "America/Detroit"
-      TZ: "America/Detroit"
+      GRAYLOG_ROOT_TIMEZONE: "America/Detroit"
       GRAYLOG_TRANSPORT_EMAIL_PROTOCOL: "smtp"
       GRAYLOG_TRANSPORT_EMAIL_WEB_INTERFACE_URL: "http://192.168.3.233:9000/"
       GRAYLOG_TRANSPORT_EMAIL_HOSTNAME: "outbound.mailhop.org"