diff --git a/test/python_test.cpp b/test/python_test.cpp
index 5e2436d..12c0c31 100755
--- a/test/python_test.cpp
+++ b/test/python_test.cpp
@@ -2,6 +2,7 @@
 // subject to the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
+#include <math.h>
 #include <boost/python.hpp>
 #include <boost/parameter/preprocessor.hpp>
 #include <boost/parameter/keyword.hpp>