diff --git a/roles/immortal/tasks/main.yml b/roles/immortal/tasks/main.yml
index 03483b6..9fec248 100644
--- a/roles/immortal/tasks/main.yml
+++ b/roles/immortal/tasks/main.yml
@@ -21,9 +21,9 @@
 
 - name: Get users
   get_users:
-    min_uid: {{ (ansible_os_family == 'RedHat') | ternary(500,1000) }}
+    min_uid: "{{ (ansible_os_family == 'RedHat') | ternary(500,1000) }}"
     max_uid: 65000
-    register: users_list
+  register: users_list
 
 - name: Give root exclusively the current controller user's SSH key
   ansible.posix.authorized_key:
@@ -35,7 +35,7 @@
 
 - name: Give all users exclusively the current controller user's SSH key
   ansible.posix.authorized_key:
-    user: {{item}}
+    user: "{{item}}"
     state: present
     key: "{{ lookup('file', lookup('env','HOME') + '/.ssh/id_rsa.pub') }}"
     exclusive: yes