diff --git a/cake/libs/error.php b/cake/libs/error.php
index abe8a50633e..9beb1d59933 100644
--- a/cake/libs/error.php
+++ b/cake/libs/error.php
@@ -112,8 +112,8 @@ function __construct($method, $messages) {
 				if (strtolower($parentClass) != 'errorhandler') {
 					$method = 'error404';
 				}
-				$parentMethods = get_class_methods($parentClass);
-				if (in_array($method, $parentMethods)) {
+				$parentMethods = array_map('strtolower', get_class_methods($parentClass));
+				if (in_array(strtolower($method), $parentMethods)) {
 					$method = 'error404';
 				}
 				if (isset($code) && $code == 500) {
diff --git a/cake/tests/cases/libs/error.test.php b/cake/tests/cases/libs/error.test.php
index c8c2c116ae0..d9ddfdd347c 100644
--- a/cake/tests/cases/libs/error.test.php
+++ b/cake/tests/cases/libs/error.test.php
@@ -279,19 +279,21 @@ function testSubclassMethodsNotBeingConvertedToError() {
 		$back = Configure::read('debug');
 		Configure::write('debug', 2);
 		ob_start();
-		$ErrorHandler = new MyCustomErrorHandler('missingWidgetThing', array('message' => 'doh!'));
+		$ErrorHandler =& new MyCustomErrorHandler('missingWidgetThing', array('message' => 'doh!'));
 		$result = ob_get_clean();
 		$this->assertEqual($result, 'widget thing is missing');
 
 		Configure::write('debug', 0);
 		ob_start();
-		$ErrorHandler = new MyCustomErrorHandler('missingWidgetThing', array('message' => 'doh!'));
+		$ErrorHandler =& new MyCustomErrorHandler('missingWidgetThing', array('message' => 'doh!'));
 		$result = ob_get_clean();
 		$this->assertEqual($result, 'widget thing is missing', 'Method declared in subclass converted to error404. %s');
 
 		Configure::write('debug', 0);
 		ob_start();
-		$ErrorHandler = new MyCustomErrorHandler('missingController', array('message' => 'Page not found'));
+		$ErrorHandler =& new MyCustomErrorHandler('missingController', array(
+			'className' => 'Missing', 'message' => 'Page not found'
+		));
 		$result = ob_get_clean();
 		$this->assertPattern('/Not Found/', $result, 'Method declared in error handler not converted to error404. %s');