diff --git a/util/style.py b/util/style.py
index 15a99c895..1dd7af34e 100755
--- a/util/style.py
+++ b/util/style.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2
 #
 # Copyright (c) 2016 ARM Limited
 # All rights reserved