diff --git a/roles/homelab/nextcloud/tasks/install_packages.yml b/roles/homelab/nextcloud/tasks/install_packages.yml
index d1e136f..f4a2342 100644
--- a/roles/homelab/nextcloud/tasks/install_packages.yml
+++ b/roles/homelab/nextcloud/tasks/install_packages.yml
@@ -6,7 +6,8 @@
     dest: /etc/apt/sources.list
     owner: root
     group: root
-    mode: '0744'
+    mode: '0644'
+    backup: yes
 
 - name: "Install packages"
   ansible.builtin.apt: