diff --git a/inventories/chaosknoten/group_vars/all.yaml b/inventories/chaosknoten/group_vars/all.yaml
index b8f13d0..60349e0 100644
--- a/inventories/chaosknoten/group_vars/all.yaml
+++ b/inventories/chaosknoten/group_vars/all.yaml
@@ -3,7 +3,7 @@
 ansible_pull__repo_url: https://git.hamburg.ccc.de/CCCHH/ansible-infra.git
 ansible_pull__inventory: inventories/chaosknoten
 ansible_pull__playbook: playbooks/maintenance.yaml
-ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
+ansible_pull__timer_on_calendar: "*-*-* 04:30:00 Europe/Berlin"
 ansible_pull__failure_notification_address: noc-notifications@lists.hamburg.ccc.de
 ansible_pull__timer_randomized_delay_sec: 30min
 
diff --git a/inventories/chaosknoten/host_vars/router.yaml b/inventories/chaosknoten/host_vars/router.yaml
index 134d29f..5e9c832 100644
--- a/inventories/chaosknoten/host_vars/router.yaml
+++ b/inventories/chaosknoten/host_vars/router.yaml
@@ -1,2 +1,4 @@
 systemd_networkd__config_dir: 'resources/chaosknoten/router/systemd_networkd/'
 nftables__config: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/router/nftables/nftables.conf') }}"
+ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
+ansible_pull__timer_randomized_delay_sec: 0min