diff --git a/defaults/main.yml b/defaults/main.yml
index 108c3d8..395c009 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -11,4 +11,5 @@ users:
   - vagrant
 sudoers:
   - vagrant
-ensure_ansible_version: 2.10.3
\ No newline at end of file
+ensure_ansible_version: 2.10.3
+authorized_keys_are_exclusive: false # Be careful, this will delete non-Ansible-managed authorized keys from the target!
\ No newline at end of file
diff --git a/tasks/users.yml b/tasks/users.yml
index 5c38204..f3a88b9 100644
--- a/tasks/users.yml
+++ b/tasks/users.yml
@@ -35,8 +35,9 @@
     user: "{{ item }}"
     state: present
     key: "{{ lookup('file', 'public_keys/id_{{ item }}.pub') }}"
+    exclusive: "{{ authorized_keys_are_exclusive | bool }}"
   with_items: "{{ users }}"
-  ignore_errors: yes
+  ignore_errors: true
 
 - name: 'Ensure that wheel group is existing'
   group: