diff --git a/docker-compose/watchtower/docker-compose.yml.j2 b/docker-compose/watchtower/docker-compose.yml.j2
index b7a63a0a..bf0bd483 100644
--- a/docker-compose/watchtower/docker-compose.yml.j2
+++ b/docker-compose/watchtower/docker-compose.yml.j2
@@ -12,7 +12,7 @@ services:
       WATCHTOWER_INCLUDE_RESTARTING: true
       WATCHTOWER_INCLUDE_STOPPED: true
       WATCHTOWER_REVIVE_STOPPED: false
-      WATCHTOWER_POLL_INTERVAL: 86400 # (24 hours)
+      WATCHTOWER_SCHEDULE: "0 20 3 * * *" # jeden Tag um 03:20
       WATCHTOWER_LABEL_ENABLE: true
       WATCHTOWER_NOTIFICATIONS: email
       WATCHTOWER_NOTIFICATION_EMAIL_FROM: info@mgrote.net