diff --git a/bin/testing/runtest.py b/bin/testing/runtest.py
old mode 100644
new mode 100755
index 078a8d2c6883b072e69c4b9580ba3cca64fbd919..4967075550584b206d6e372821bbd1d864901ee2
--- a/bin/testing/runtest.py
+++ b/bin/testing/runtest.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import argparse
 import os, sys
 import subprocess