diff --git a/modules/paren/paren.py b/modules/paren/paren.py
index 28de4de6..2124ecbc 100755
--- a/modules/paren/paren.py
+++ b/modules/paren/paren.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 from __future__ import print_function
 
 import sys