diff --git a/scripts/google-java-format-diff.py b/scripts/google-java-format-diff.py
old mode 100644
new mode 100755
index ee97b8c..91fe776
--- a/scripts/google-java-format-diff.py
+++ b/scripts/google-java-format-diff.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 #
 #===- google-java-format-diff.py - google-java-format Diff Reformatter -----===#
 #