diff --git a/testsite/playbooks/backup.yml b/testsite/playbooks/backup.yml
index 980756395bf80b64c563a33b71ff28abf8792546..6cad8b1ae9ee56caefaf051b310e78ea0b828b01 100644
--- a/testsite/playbooks/backup.yml
+++ b/testsite/playbooks/backup.yml
@@ -2,8 +2,8 @@
 
 - hosts: backup
   remote_user: ansible
-  become: yes
+  become: true
   roles:
     - common
     - mail_forwarder
-    - backup_server
\ No newline at end of file
+    - backup_server