diff --git a/sendtomail.php b/sendtomail.php
index 99349d6..81091e2 100644
--- a/sendtomail.php
+++ b/sendtomail.php
@@ -56,7 +56,7 @@ foreach (explode (";", $emailDest) as $emailAddress) {
 $mail->AddAttachment($data->getLocalPath ());
 
 $mail->IsHTML(false);
-$mail->Subject = 'Sent by COPS';
+$mail->Subject = 'Sent by COPS : ' . $data->getUpdatedFilename ();
 $mail->Body    = 'Sent by COPS';
 
 if (!$mail->Send()) {