diff --git a/Examples/33chartcreate-area.php b/Examples/33chartcreate-area.php
index 1e53b60..925ea0a 100644
--- a/Examples/33chartcreate-area.php
+++ b/Examples/33chartcreate-area.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-bar-stacked.php b/Examples/33chartcreate-bar-stacked.php
index f6465ee..0c604bb 100644
--- a/Examples/33chartcreate-bar-stacked.php
+++ b/Examples/33chartcreate-bar-stacked.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-bar.php b/Examples/33chartcreate-bar.php
index 764942f..daefd66 100644
--- a/Examples/33chartcreate-bar.php
+++ b/Examples/33chartcreate-bar.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-column-2.php b/Examples/33chartcreate-column-2.php
index 9210499..959712b 100644
--- a/Examples/33chartcreate-column-2.php
+++ b/Examples/33chartcreate-column-2.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-column.php b/Examples/33chartcreate-column.php
index 6feacf9..4c2dae6 100644
--- a/Examples/33chartcreate-column.php
+++ b/Examples/33chartcreate-column.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-composite-chart.php b/Examples/33chartcreate-composite-chart.php
index 14496f1..a9785ff 100644
--- a/Examples/33chartcreate-composite-chart.php
+++ b/Examples/33chartcreate-composite-chart.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-line.php b/Examples/33chartcreate-line.php
index 8fc9714..4745982 100644
--- a/Examples/33chartcreate-line.php
+++ b/Examples/33chartcreate-line.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-multiple-charts.php b/Examples/33chartcreate-multiple-charts.php
index a8943ee..041e03a 100644
--- a/Examples/33chartcreate-multiple-charts.php
+++ b/Examples/33chartcreate-multiple-charts.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-pie.php b/Examples/33chartcreate-pie.php
index fe68ba2..ce9825c 100644
--- a/Examples/33chartcreate-pie.php
+++ b/Examples/33chartcreate-pie.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();
diff --git a/Examples/33chartcreate-radar.php b/Examples/33chartcreate-radar.php
index a1bb413..b3c226a 100644
--- a/Examples/33chartcreate-radar.php
+++ b/Examples/33chartcreate-radar.php
@@ -36,11 +36,9 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+require_once '../Classes/PHPExcel.php';
+
 
 $objPHPExcel = new PHPExcel();
 $objWorksheet = $objPHPExcel->getActiveSheet();