diff --git a/Script/cs/Tools/LogConfig.py b/Script/cs/Tools/LogConfig.py
index c77b712ffee0b252867d512c37bcca6d2b50d293..93177db4d898a330e3bc2f9ee6d46328eede4603 100644
--- a/Script/cs/Tools/LogConfig.py
+++ b/Script/cs/Tools/LogConfig.py
@@ -20,9 +20,10 @@ def enable_root_logger():
     logging.getLogger().setLevel("DEBUG")
 
 def enable_mail_logging(config):
+    app_name = make_tdaq_app_name(config)
     # by default max email sending rate is 10 per hour
     mail_handler = mailinglogger.MailingLogger(config.EmailLogSender,
-            config.EmailLogList, subject='CastorScript message',
+            config.EmailLogList, subject=f'CastorScript message: {app_name}',
             mailhost='localhost')
 
     mail_handler.setFormatter(formatter)