diff --git a/actions/subscribers.php b/actions/subscribers.php
index 2862f35c6d..ad522a4bae 100644
--- a/actions/subscribers.php
+++ b/actions/subscribers.php
@@ -100,8 +100,6 @@ class SubscribersAction extends GalleryAction
             }
         }
 
-        $subscribers->free();
-
         $this->pagination($this->page > 1, $cnt > PROFILES_PER_PAGE,
                           $this->page, 'subscribers',
                           array('nickname' => $this->user->nickname));
diff --git a/actions/subscriptions.php b/actions/subscriptions.php
index a814a4f354..ddcf237e62 100644
--- a/actions/subscriptions.php
+++ b/actions/subscriptions.php
@@ -106,8 +106,6 @@ class SubscriptionsAction extends GalleryAction
                 }
             }
 
-            $subscriptions->free();
-
             $this->pagination($this->page > 1, $cnt > PROFILES_PER_PAGE,
                               $this->page, 'subscriptions',
                               array('nickname' => $this->user->nickname));
diff --git a/lib/arraywrapper.php b/lib/arraywrapper.php
index 8a1cdd96e1..f9d3c3cf94 100644
--- a/lib/arraywrapper.php
+++ b/lib/arraywrapper.php
@@ -76,6 +76,10 @@ class ArrayWrapper
     function __call($name, $args)
     {
         $item =& $this->_items[$this->_i];
+        if (!is_object($item)) {
+            common_log(LOG_ERR, "Invalid entry " . var_export($item, true) . " at index $this->_i of $this->N; calling $name()");
+            throw new ServerException("Internal error: bad entry in array wrapper list.");
+        }
         return call_user_func_array(array($item, $name), $args);
     }
 }