diff --git a/tests/python_tests/agg_rasterize_integer_overflow.py b/tests/python_tests/agg_rasterizer_integer_overflow_test.py
similarity index 97%
rename from tests/python_tests/agg_rasterize_integer_overflow.py
rename to tests/python_tests/agg_rasterizer_integer_overflow_test.py
index 477dae211..1aed0b907 100644
--- a/tests/python_tests/agg_rasterize_integer_overflow.py
+++ b/tests/python_tests/agg_rasterizer_integer_overflow_test.py
@@ -1,3 +1,6 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
 from nose.tools import *
 from utilities import run_all
 import mapnik