diff --git a/roles/mqtt/application/defaults/main.yml b/roles/mqtt/application/defaults/main.yml
index 4ac3f92..b936f3f 100644
--- a/roles/mqtt/application/defaults/main.yml
+++ b/roles/mqtt/application/defaults/main.yml
@@ -11,7 +11,7 @@ acl_file: "{{ configuration_directory }}/{{ acl_file_name }}"
 auth_file_name: "auth"
 auth_file: "{{ configuration_directory }}/{{ auth_file_name }}"
 
-admin_username: "root"
-admin_password: "{{ lookup('password', 'credentials/' + inventory_hostname + '/mqtt/root length=80') }}"
+admin_user: "root"
+admin_pass: "{{ lookup('password', 'credentials/' + inventory_hostname + '/mqtt/root length=80') }}"
 
 acl_directives: ""