diff --git a/lib/Cake/tests/cases/libs/session/cache_session.test.php b/lib/Cake/tests/cases/libs/session/cache_session.test.php
index cc295309c12..30f4808a702 100644
--- a/lib/Cake/tests/cases/libs/session/cache_session.test.php
+++ b/lib/Cake/tests/cases/libs/session/cache_session.test.php
@@ -20,6 +20,7 @@
 
 App::uses('CakeSession', 'Model/Datasource');
 App::uses('CacheSession', 'Model/Datasource/Session');
+class_exists('CakeSession');
 
 class CacheSessionTest extends CakeTestCase {