diff --git a/inventory/group_vars/smtp-mm b/inventory/group_vars/smtp-mm
index 358dea541d..510826f73d 100644
--- a/inventory/group_vars/smtp-mm
+++ b/inventory/group_vars/smtp-mm
@@ -9,7 +9,7 @@ num_cpus: 2
 
 tcp_ports: [ 25 ]
 
-fas_client_groups: sysadmin-noc sysadmin-tools,fi-apprentice
+fas_client_groups: sysadmin-noc,sysadmin-tools,fi-apprentice
 
 postfix_transport_filename: transports.mm-smtp
 postfix_group: smtp-mm