diff --git a/tasks/main.yml b/tasks/main.yml
index 9a1c152..590f639 100755
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -43,14 +43,14 @@
   file:
     path: "{{ seafile_mirror_dir }}"
     state: directory
-    mode: 0755
+    mode: "0755"
     recurse: true
 
 - name: Ensure Seafile mirror configuration exists
   template:
     src: seafile_mirror.conf.yaml.j2
     dest: "{{ seafile_mirror_dir }}/seafile_mirror.conf.yaml"
-    mode: 0600
+    mode: "0600"
 
 - name: Ensure cron entry for Seafile mirror service
   cron:
@@ -63,19 +63,19 @@
   file:
     path: "{{ seafile_local_user_info.home }}/.config/systemd/user/"
     state: directory
-    mode: 0755
+    mode: "0755"
 
 - name: Ensure systemd service file is present
   template:
     src: seaf-daemon.service.j2
     dest: "{{ seafile_local_user_info.home }}/.config/systemd/user/seaf-daemon.service"
-    mode: 0644
+    mode: "0644"
 
 - name: Ensure Seafile config dir exists
   file:
     path: "{{ seafile_local_user_info.home }}/config"
     state: directory
-    mode: 0755
+    mode: "0755"
 
 - name: Ensure Seafile config dir is initialised
   command:
@@ -91,6 +91,7 @@
 - name: Ensure systemd lingering is enabled for user {{ seafile_local_user.user }}
   command: loginctl enable-linger {{ seafile_local_user.user }}
   become: false
+  changed_when: false
   when: not seafile_local_user_lingering.stat.exists
 
 - name: Ensure systemd service is running and enabled
@@ -100,4 +101,4 @@
     enabled: true
     daemon_reload: true
     scope: user
-  become_method: machinectl # in order to get XDG_RUNTIME_DIR and user's DBUS session
+  become_method: community.general.machinectl # in order to get XDG_RUNTIME_DIR and user's DBUS session