diff --git a/gvaldap.sh b/gvaldap.sh
index d4ddd33..3d1912c 100755
--- a/gvaldap.sh
+++ b/gvaldap.sh
@@ -5,7 +5,8 @@ set -e
 QUEUE=ldap
 TASKS=${QUEUE}tasks
 APP=gvaldap
+export TZ="Europe/Berlin"
 
 . "/srv/${APP}/.venv/bin/activate"
 cd /srv/${APP}/${APP}
-celery -A "${TASKS}" worker -Q "${QUEUE}" -l info
+celery -A "${TASKS}" worker -Q "${QUEUE}" -E -l info