diff --git a/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php b/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php
index c96afa8c4..4765b8971 100644
--- a/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php
+++ b/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php
@@ -36,6 +36,7 @@ class CakeTestSuiteDispatcher {
 	public $params = array(
 		'codeCoverage' => false,
 		'case' => null,
+		'core' => false,
 		'app' => false,
 		'plugin' => null,
 		'output' => 'html',