diff --git a/library/Zend/Cache/Backend/TwoLevels.php b/library/Zend/Cache/Backend/TwoLevels.php
index 135ff6ad8d..9fe079d160 100644
--- a/library/Zend/Cache/Backend/TwoLevels.php
+++ b/library/Zend/Cache/Backend/TwoLevels.php
@@ -501,7 +501,7 @@ private function _getFastLifetime($lifetime, $priority, $maxLifetime = null)
             $fastLifetime = (int) ceil($lifetime / (11 - $priority));
         }
 
-        if ($maxLifetime >= 0 && $fastLifetime > $maxLifetime) {
+        if ($maxLifetime > 0 && $fastLifetime > $maxLifetime) {
             return $maxLifetime;
         }