diff --git a/Classes/PHPExcel/Cell/AdvancedValueBinder.php b/Classes/PHPExcel/Cell/AdvancedValueBinder.php
index 7ec6ecc..6404cf2 100644
--- a/Classes/PHPExcel/Cell/AdvancedValueBinder.php
+++ b/Classes/PHPExcel/Cell/AdvancedValueBinder.php
@@ -26,6 +26,22 @@
  */
 
 
+/** PHPExcel root directory */
+if (!defined('PHPEXCEL_ROOT')) {
+	/**
+	 * @ignore
+	 */
+	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
+	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	PHPExcel_Autoloader::Register();
+	PHPExcel_Shared_ZipStreamWrapper::register();
+	// check mbstring.func_overload
+	if (ini_get('mbstring.func_overload') & 2) {
+		throw new Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
+	}
+}
+
+
 /**
  * PHPExcel_Cell_AdvancedValueBinder
  *
diff --git a/Classes/PHPExcel/Cell/DefaultValueBinder.php b/Classes/PHPExcel/Cell/DefaultValueBinder.php
index 3672bba..6214681 100644
--- a/Classes/PHPExcel/Cell/DefaultValueBinder.php
+++ b/Classes/PHPExcel/Cell/DefaultValueBinder.php
@@ -26,6 +26,22 @@
  */
 
 
+/** PHPExcel root directory */
+if (!defined('PHPEXCEL_ROOT')) {
+	/**
+	 * @ignore
+	 */
+	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
+	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	PHPExcel_Autoloader::Register();
+	PHPExcel_Shared_ZipStreamWrapper::register();
+	// check mbstring.func_overload
+	if (ini_get('mbstring.func_overload') & 2) {
+		throw new Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
+	}
+}
+
+
 /**
  * PHPExcel_Cell_DefaultValueBinder
  *
diff --git a/changelog.txt b/changelog.txt
index 8cd60d1..ffc201a 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -27,7 +27,7 @@ Fixed in SVN:
 - Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : String constant containing double quotation mark
 - Feature:  (MBaker) Work item 8769 - Implement Gnumeric File Format
                                       Initial work on Gnumeric Reader (Worksheet Data, Document Properties and basic Formatting)
-- Feature:  (MBaker) Support for Extended Workbook Properties in Excel2007, Excel5 and OOCalc Readers; support for User-defined Workbook Properties in Excel2007 and OOCalc Readers
+- Feature:  (MBaker) (incorporating part of Workitem 9759) - Support for Extended Workbook Properties in Excel2007, Excel5 and OOCalc Readers; support for User-defined Workbook Properties in Excel2007 and OOCalc Readers
 - Feature:  (MBaker) Support for Extended and User-defined Workbook Properties in Excel2007 Writer
 - Feature:  (MBaker) Provided a setGenerateSheetNavigationBlock(false); option to suppress generation of the sheet navigation block when writing multiple worksheets to HTML
 - Feature:  (MBaker) Advanced Value Binder now recognises TRUE/FALSE strings (locale-specific) and converts to boolean
@@ -45,6 +45,7 @@ Fixed in SVN:
 - Bugfix:   (MBaker) Workitems 14260 & 14233 - Setting cell values to one char strings & Trouble reading one character string (thanks gorfou)
 - Bugfix:   (MBaker) Workitem 14256 - Worksheet title exception when duplicate worksheet is being renamed but exceeds the 31 character limit
 - Bugfix:   (MBaker) Workitem 14086 - Named range with sheet name that contains the $ throws exception when getting the cell
+- Bugfix:   (MBaker) Added autoloader to DefaultValueBinder and AdvancedValueBinder
 
 
 2010-08-26 (v1.7.4):