diff --git a/Classes/PHPExcel/Autoloader.php b/Classes/PHPExcel/Autoloader.php
index db0dbef..f0b2251 100644
--- a/Classes/PHPExcel/Autoloader.php
+++ b/Classes/PHPExcel/Autoloader.php
@@ -55,7 +55,11 @@ class PHPExcel_Autoloader
             spl_autoload_register('__autoload');
         }
         //    Register ourselves with SPL
-        return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'), true, true);
+        if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
+            return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'), true, true);
+        } else {
+            return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'));
+        }
     }   //    function Register()
 
 
diff --git a/changelog.txt b/changelog.txt
index 2754f3c..c20cf87 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -29,6 +29,7 @@ Planned for v1.8.1
 - Bugfix:   (MBaker)                            - Fix to ensure that current cell is maintained when executing formula calculations
 - Bugfix:   (MBaker)          Work Item GH-350  - Keep/set the value on Reader _loadSheetsOnly as NULL, courtesy of Restless-ET 
 - Bugfix:   (MBaker)          Work Item CP18105 - Loading an Excel 2007 spreadsheet throws an "Autofilter must be set on a range of cells" exception
+- Bugfix:   (MBaker)                            - Fix to autoloader registration for backward compatibility with PHP 5.2.0 not accepting the prepend flag
 - General:  (MBaker)                            - Small performance improvement for autosize columns
 - General:  (frost-nzcr4)     Work Item GH-379  - Change the getter/setter for zeroHeight to camel case
 - Feature:  (WiktrzGE)        Work Item GH-404  - Methods to manage most of the existing options for Chart Axis, Major Grid-lines and Minor Grid-lines