diff --git a/shared/synomail.py b/shared/synomail.py
index 3ac3910..aa42f82 100755
--- a/shared/synomail.py
+++ b/shared/synomail.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import smtplib
 import configparser
 # import the corresponding modules