diff --git a/contrib/manual_test_server.py b/contrib/manual_test_server.py
old mode 100644
new mode 100755
index 4b2b5bd..ddf9f41
--- a/contrib/manual_test_server.py
+++ b/contrib/manual_test_server.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python2
+
 import mncc
 import mncc_sock
 import ctypes