diff --git a/tasks/copy_media_files.yml b/tasks/copy_media_files.yml
index 625358c..3e8200d 100644
--- a/tasks/copy_media_files.yml
+++ b/tasks/copy_media_files.yml
@@ -1,7 +1,7 @@
 ---
 - name: copy sound warning script
   become: true
-  template:
+  ansible.builtin.template:
     src: 'templates/akku.sh.j2'
     dest: '/opt/akku.sh'
     owner: 'root'
@@ -10,7 +10,7 @@
 
 - name: copy sound warning video
   become: true
-  copy:
+  ansible.builtin.copy:
     src: "{{ akku_sound_src }}"
     dest: "{{ akku_sound_dest }}"
     owner: 'root'
diff --git a/tasks/main.yml b/tasks/main.yml
index 0fff101..2844eb9 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -15,14 +15,5 @@
     state: present
   when: manage_packages_akku_warning | bool
 
-- name: Check akku every 3 minutes
-  become: true
-  ansible.builtin.cron:
-    name: check if akku still okay
-    job: /opt/akku.sh
-    minute: '*/3'
-    user: '{{ akku_user }}'
-    cron_file: /etc/crontab
-    state: absent
-
-# todo: systemd timer
+- name: set timer
+  ansible.builtin.include_tasks: timer.yml
diff --git a/tasks/timer.yml b/tasks/timer.yml
new file mode 100644
index 0000000..c3aecce
--- /dev/null
+++ b/tasks/timer.yml
@@ -0,0 +1,12 @@
+---
+- name: Check akku every 3 minutes
+  become: true
+  ansible.builtin.cron:
+    name: check if akku still okay
+    job: /opt/akku.sh
+    minute: '*/3'
+    user: '{{ akku_user }}'
+    cron_file: /etc/crontab
+    state: absent
+  failed_when: false
+