diff --git a/tests/regress/ensure_typedef_consts_generated.py b/tests/regress/ensure_typedef_consts_generated.py
old mode 100644
new mode 100755
index 186cbc49..04948a5a
--- a/tests/regress/ensure_typedef_consts_generated.py
+++ b/tests/regress/ensure_typedef_consts_generated.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python
+
 """See https://github.com/unicorn-engine/unicorn/issues/161
 
 Ensure that constants which are specified via a typedef, rather than an enum,