diff --git a/calendarparser.py b/calendarparser.py
old mode 100644
new mode 100755
index 1d8f605..9cb6b52
--- a/calendarparser.py
+++ b/calendarparser.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import requests
 import json
 import icalendar
@@ -57,4 +59,4 @@ for key, value in events['results'].items():
 
 f = open(sys.argv[1], 'wb')
 f.write(cal.to_ical())
-f.close()
\ No newline at end of file
+f.close()