diff --git a/.travis/tests.py b/.travis/tests.py
index fc208a05c..75e192e96 100755
--- a/.travis/tests.py
+++ b/.travis/tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 # -*- coding: utf-8 -*-
 
 import yaml, glob, os