diff --git a/cake/bootstrap.php b/cake/bootstrap.php
index 1e2f834b5..eae863247 100644
--- a/cake/bootstrap.php
+++ b/cake/bootstrap.php
@@ -43,7 +43,6 @@ if (!defined('PHP5')) {
 	require LIBS . 'security.php';
 	require LIBS . 'inflector.php';
 	require LIBS . 'configure.php';
-	require LIBS . 'debugger.php';
 	$paths = Configure::getInstance();
 	Configure::store(null, 'class.paths');
 	Configure::load('class.paths');
diff --git a/cake/libs/configure.php b/cake/libs/configure.php
index 086e0c86a..106a28e3b 100644
--- a/cake/libs/configure.php
+++ b/cake/libs/configure.php
@@ -142,6 +142,10 @@ class Configure extends Object {
 				if (function_exists('ini_set')) {
 					ini_set('display_errors', 1);
 				}
+
+				if(!class_exists('Debugger')) {
+					require LIBS . 'debugger.php';
+				}
 			} else {
 				error_reporting(0);
 			}