diff --git a/scripts/measure_tls_and_logins.py b/scripts/measure_tls_and_logins.py
old mode 100644
new mode 100755
index 16bd7bd..fc0b6d1
--- a/scripts/measure_tls_and_logins.py
+++ b/scripts/measure_tls_and_logins.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import os
 import time
 import imaplib