diff --git a/master.cfg b/master.cfg
index 3569ff1..cfb055e 100644
--- a/master.cfg
+++ b/master.cfg
@@ -125,7 +125,8 @@ mn = mail.MailNotifier(fromaddr = "sergiodj@redhat.com",
 #                       extraRecipients = ['gdb-testers@sourceware.org'],
                        relayhost = "smtp.corp.redhat.com",
                        mode = ('failing'),
-                       smtpPort = 25)
+                       smtpPort = 25,
+                       messageFormatter = MessageGDBTesters)
 
 c['status'].append (mn)