diff --git a/roles/mail_server/molecule/default/prepare.yml b/roles/mail_server/molecule/default/prepare.yml
index 99275761b1b857e24d670563d484267349340ced..80068905ba876a6a7953e530cea802e4206367e7 100644
--- a/roles/mail_server/molecule/default/prepare.yml
+++ b/roles/mail_server/molecule/default/prepare.yml
@@ -187,12 +187,12 @@
         state: present
       with_dict:
         # Force mail servers to use local ClamAV database mirror.
-        192.168.56.10: "db.local.clamav.net database.clamav.net"
-        192.168.56.11: "ldap-server backup-server"
-        192.168.56.20: "client1 smtp-server-requiring-tls"
-        192.168.56.21: "client2 smtp-server-refusing-tls"
-        192.168.56.30: "parameters-mandatory parameters-mandatory-buster64"
-        192.168.56.31: "parameters-optional parameters-optional-buster64"
+        192.168.56.11: "db.local.clamav.net database.clamav.net"
+        192.168.56.12: "ldap-server backup-server"
+        192.168.56.21: "client1 smtp-server-requiring-tls"
+        192.168.56.22: "client2 smtp-server-refusing-tls"
+        192.168.56.31: "parameters-mandatory parameters-mandatory-buster64"
+        192.168.56.32: "parameters-optional parameters-optional-buster64"
 
 - hosts: client
   become: true