diff --git a/Classes/PHPExcel/Shared/JAMA/examples/benchmark.php b/Classes/PHPExcel/Shared/JAMA/examples/benchmark.php
index 1b963b4..0f7d15c 100644
--- a/Classes/PHPExcel/Shared/JAMA/examples/benchmark.php
+++ b/Classes/PHPExcel/Shared/JAMA/examples/benchmark.php
@@ -6,8 +6,8 @@
  * @package JAMA
  */
 
-require_once '../Matrix.php';
-require_once 'Stats.php';
+require_once __DIR__ . '/../Matrix.php';
+require_once __DIR__ . '/Stats.php';
 
 
 /**