diff --git a/roles/xmpp_server/molecule/default/prepare.yml b/roles/xmpp_server/molecule/default/prepare.yml
index 987ef040ee77548c25998785c13e48eb0ba53218..fbe74a73026197074a34eb4eeb31cc6e80930d40 100644
--- a/roles/xmpp_server/molecule/default/prepare.yml
+++ b/roles/xmpp_server/molecule/default/prepare.yml
@@ -101,9 +101,9 @@
         state: present
       with_dict:
         192.168.56.11: "ldap-server backup-server"
-        192.168.56.22: "client-bullseye"
-        192.168.56.41: "parameters-mandatory domain1 proxy.domain1 conference.domain1"
-        192.168.56.42: "parameters-optional domain2 proxy.domain2 conference.domain2 domain3 proxy.domain3 conference.domain3"
+        192.168.56.41: "client-bullseye"
+        192.168.56.51: "parameters-mandatory domain1 proxy.domain1 conference.domain1"
+        192.168.56.52: "parameters-optional domain2 proxy.domain2 conference.domain2 domain3 proxy.domain3 conference.domain3"
 
 - hosts: clients
   become: true