diff --git a/lib/Cake/Test/Case/Cache/Engine/MemcacheEngineTest.php b/lib/Cake/Test/Case/Cache/Engine/MemcacheEngineTest.php
index 88a7b6143..54c225c72 100644
--- a/lib/Cake/Test/Case/Cache/Engine/MemcacheEngineTest.php
+++ b/lib/Cake/Test/Case/Cache/Engine/MemcacheEngineTest.php
@@ -229,12 +229,11 @@ class MemcacheEngineTest extends CakeTestCase {
 		$result = Cache::write('other_test', $data, 'memcache');
 		$this->assertTrue($result);
 
-		sleep(2);
+		sleep(3);
 		$result = Cache::read('other_test', 'memcache');
 		$this->assertFalse($result);
 
 		Cache::config('memcache', array('duration' => '+1 second'));
-		sleep(2);
 
 		$result = Cache::read('other_test', 'memcache');
 		$this->assertFalse($result);