diff --git a/lib/config/sfCacheConfigHandler.class.php b/lib/config/sfCacheConfigHandler.class.php
index 45b87138f..0a9d10bf7 100644
--- a/lib/config/sfCacheConfigHandler.class.php
+++ b/lib/config/sfCacheConfigHandler.class.php
@@ -92,7 +92,7 @@ protected function addCache($actionName = '')
         $lifeTime = !$enabled ? '0' : $this->getConfigValue('lifetime', $actionName, '0');
 
         // client_lifetime
-        $clientLifetime = !$enabled ? '0' : $this->getConfigValue('client_lifetime', $actionName, $lifeTime, '0');
+        $clientLifetime = !$enabled ? '0' : $this->getConfigValue('client_lifetime', $actionName, $lifeTime);
 
         // contextual
         $contextual = $this->getConfigValue('contextual', $actionName) ? 'true' : 'false';
diff --git a/lib/form/sfForm.class.php b/lib/form/sfForm.class.php
index 16f23893f..4219541af 100644
--- a/lib/form/sfForm.class.php
+++ b/lib/form/sfForm.class.php
@@ -47,7 +47,7 @@ class sfForm implements ArrayAccess, Iterator, Countable
     protected $isBound = false;
     protected $taintedValues = array();
     protected $taintedFiles = array();
-    protected $values;
+    protected $values = array();
     protected $defaults = array();
     protected $fieldNames = array();
     protected $options = array();