diff --git a/tools/build/src/tools/doxproc.py b/tools/build/src/tools/doxproc.py
index d415133..e7b2de5 100644
--- a/tools/build/src/tools/doxproc.py
+++ b/tools/build/src/tools/doxproc.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # Copyright 2006 Rene Rivera
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)