diff --git a/toggl2openerp.py b/toggl2openerp.py
index 3e4194d..f889b54 100755
--- a/toggl2openerp.py
+++ b/toggl2openerp.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import pandas as pd
 import sys