diff --git a/lib/Cake/Test/Case/Event/CakeEventManagerTest.php b/lib/Cake/Test/Case/Event/CakeEventManagerTest.php
index 4211e8e86..04a358ab4 100644
--- a/lib/Cake/Test/Case/Event/CakeEventManagerTest.php
+++ b/lib/Cake/Test/Case/Event/CakeEventManagerTest.php
@@ -241,13 +241,11 @@ class CakeEventManagerTest extends CakeTestCase {
 		$manager->attach(array($anotherListener, 'listenerFunction'), 'fake.event');
 		$event = new CakeEvent('fake.event');
 
-		$listener->expects($this->at(0))
-			->method('listenerFunction')
-			->with($event)
+		$firstStep = clone $event;
+		$listener->expects($this->at(0))->method('listenerFunction')
+			->with($firstStep)
 			->will($this->returnValue('something special'));
-		$anotherListener->expects($this->at(0))
-			->method('listenerFunction')
-			->with($event);
+		$anotherListener->expects($this->at(0))->method('listenerFunction')->with($event);
 		$manager->dispatch($event);
 		$this->assertEquals('something special', $event->result);
 	}
@@ -265,11 +263,11 @@ class CakeEventManagerTest extends CakeTestCase {
 		$manager->attach(array($anotherListener, 'listenerFunction'), 'fake.event');
 		$event = new CakeEvent('fake.event');
 
+		$originalEvent = clone $event;
 		$listener->expects($this->at(0))->method('listenerFunction')
-			->with($event)
+			->with($originalEvent)
 			->will($this->returnValue(false));
-		$anotherListener->expects($this->never())
-			->method('listenerFunction');
+		$anotherListener->expects($this->never())->method('listenerFunction');
 		$manager->dispatch($event);
 		$this->assertTrue($event->isStopped());
 	}