diff --git a/scripts/build.py b/scripts/build.py
index fb9766e4..f52e8213 100644
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python -u
 # -*- coding: iso-8859-15 -*-
 
 import os