diff --git a/testsite/playbooks/xmpp.yml b/testsite/playbooks/xmpp.yml
index b5baa4c3fb2f17b65eca7b79043cf814414dd8f4..d7403e201a01de18ef41ad679e6e525897094522 100644
--- a/testsite/playbooks/xmpp.yml
+++ b/testsite/playbooks/xmpp.yml
@@ -2,7 +2,7 @@
 
 - hosts: xmpp
   remote_user: ansible
-  become: yes
+  become: true
   roles:
     - common
     - ldap_client