diff --git a/Tools/validate_yaml.py b/Tools/validate_yaml.py
index 21ac67f605..345ef03c5d 100755
--- a/Tools/validate_yaml.py
+++ b/Tools/validate_yaml.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 """ Script to validate YAML file(s) against a YAML schema file """
 
 from __future__ import print_function