diff --git a/roles/config/tasks/main.yml b/roles/config/tasks/main.yml
index 7921fdd..f38e079 100644
--- a/roles/config/tasks/main.yml
+++ b/roles/config/tasks/main.yml
@@ -25,9 +25,10 @@
 - name: Update authorized keys
   lineinfile:
     path: /etc/dropbear/authorized_keys
-    line: "{{ lookup('file', '/home/' + lookup('env', 'USER') + '/.ssh/id_ed25519.pub') }}"
+    line: "{{ lookup('file', lookup('env', 'HOME') + '/.ssh/id_ed25519.pub') }}"
     state: present
     create: yes
+    mode: 644
 
 - name: Disable Root password authentication
   uci: