diff --git a/cake/libs/controller/components/auth.php b/cake/libs/controller/components/auth.php
index 1fb0e2ca1..39ac96a37 100644
--- a/cake/libs/controller/components/auth.php
+++ b/cake/libs/controller/components/auth.php
@@ -302,7 +302,7 @@ class AuthComponent extends Object {
 		}
 
 		$methods = array_flip($controller->methods);
-		$action = strtolower($controller->request->params['action']);
+		$action = $controller->request->params['action'];
 		$isMissingAction = (
 			$controller->scaffold === false &&
 			!isset($methods[$action])
@@ -326,7 +326,7 @@ class AuthComponent extends Object {
 		$url = Router::normalize($url);
 		$loginAction = Router::normalize($this->loginAction);
 
-		$allowedActions = array_map('strtolower', $this->allowedActions);
+		$allowedActions = $this->allowedActions;
 		$isAllowed = (
 			$this->allowedActions == array('*') ||
 			in_array($action, $allowedActions)
@@ -601,7 +601,7 @@ class AuthComponent extends Object {
 			if (isset($args[0]) && is_array($args[0])) {
 				$args = $args[0];
 			}
-			$this->allowedActions = array_merge($this->allowedActions, array_map('strtolower', $args));
+			$this->allowedActions = array_merge($this->allowedActions, $args);
 		}
 	}
 
@@ -621,7 +621,7 @@ class AuthComponent extends Object {
 			$args = $args[0];
 		}
 		foreach ($args as $arg) {
-			$i = array_search(strtolower($arg), $this->allowedActions);
+			$i = array_search($arg, $this->allowedActions);
 			if (is_int($i)) {
 				unset($this->allowedActions[$i]);
 			}
diff --git a/cake/tests/cases/libs/controller/components/auth.test.php b/cake/tests/cases/libs/controller/components/auth.test.php
index 99b4b85f5..8b75388eb 100644
--- a/cake/tests/cases/libs/controller/components/auth.test.php
+++ b/cake/tests/cases/libs/controller/components/auth.test.php
@@ -833,7 +833,7 @@ class AuthTest extends CakeTestCase {
 		$this->Controller->Auth->initialize($this->Controller);
 
 		$this->Controller->Auth->allow('*');
-		$this->Controller->Auth->deny('add', 'camelcase');
+		$this->Controller->Auth->deny('add', 'camelCase');
 
 		$this->Controller->request['action'] = 'delete';
 		$this->assertTrue($this->Controller->Auth->startup($this->Controller));
@@ -841,14 +841,11 @@ class AuthTest extends CakeTestCase {
 		$this->Controller->request['action'] = 'add';
 		$this->assertFalse($this->Controller->Auth->startup($this->Controller));
 
-		$this->Controller->request['action'] = 'Add';
-		$this->assertFalse($this->Controller->Auth->startup($this->Controller));
-
 		$this->Controller->request['action'] = 'camelCase';
 		$this->assertFalse($this->Controller->Auth->startup($this->Controller));
 
 		$this->Controller->Auth->allow('*');
-		$this->Controller->Auth->deny(array('add', 'camelcase'));
+		$this->Controller->Auth->deny(array('add', 'camelCase'));
 
 		$this->Controller->request['action'] = 'camelCase';
 		$this->assertFalse($this->Controller->Auth->startup($this->Controller));
@@ -948,7 +945,7 @@ class AuthTest extends CakeTestCase {
 		$this->Controller->request->query['url'] = Router::normalize($url);
 		$this->Controller->Auth->initialize($this->Controller);
 		$this->Controller->Auth->allow('action_name', 'anotherAction');
-		$this->assertEqual($this->Controller->Auth->allowedActions, array('action_name', 'anotheraction'));
+		$this->assertEqual($this->Controller->Auth->allowedActions, array('action_name', 'anotherAction'));
 	}
 
 /**