diff --git a/lib/Cake/Event/CakeEventManager.php b/lib/Cake/Event/CakeEventManager.php
index 020304ccc..216c03131 100644
--- a/lib/Cake/Event/CakeEventManager.php
+++ b/lib/Cake/Event/CakeEventManager.php
@@ -239,7 +239,7 @@ public function dispatch($event) {
 				break;
 			}
 			if ($listener['passParams'] === true) {
-				$result = call_user_func_array($listener['callable'], $event->data);
+				$result = call_user_func_array($listener['callable'], array_values($event->data));
 			} else {
 				$result = call_user_func($listener['callable'], $event);
 			}