diff --git a/prototyping/tests b/prototyping/tests.py
similarity index 99%
rename from prototyping/tests
rename to prototyping/tests.py
index 89e105d0..20070ae0 100755
--- a/prototyping/tests
+++ b/prototyping/tests.py
@@ -1,4 +1,4 @@
-#!/bin/python
+#!/usr/bin/python
 
 import argparse
 import difflib