diff --git a/classes/Memcached_DataObject.php b/classes/Memcached_DataObject.php
index d8b0db5a69..cf7fb4340a 100644
--- a/classes/Memcached_DataObject.php
+++ b/classes/Memcached_DataObject.php
@@ -51,11 +51,17 @@ class Memcached_DataObject extends DB_DataObject
         if ($i) {
             return $i;
         } else {
-            $i = DB_DataObject::staticGet($cls, $k, $v);
-            if ($i) {
-                $i->encache();
+            $i = DB_DataObject::factory($cls);
+            if (empty($i)) {
+                return null;
+            }
+            $result = $i->get($k, $v);
+            if ($result) {
+                $i->encache();
+                return $i;
+            } else {
+                return null;
             }
-            return $i;
         }
     }
 
@@ -247,6 +253,18 @@ class Memcached_DataObject extends DB_DataObject
         return new ArrayWrapper($cached);
     }
 
+    function cleanup()
+    {
+        global $_DB_DATAOBJECT;
+
+        if (isset($_DB_DATAOBJECT['RESULTFIELDS'][$this->_DB_resultid])) {
+            unset($_DB_DATAOBJECT['RESULTFIELDS'][$this->_DB_resultid]);
+        }
+        if (isset($_DB_DATAOBJECT['RESULTS'][$this->_DB_resultid])) {
+            unset($_DB_DATAOBJECT['RESULTS'][$this->_DB_resultid]);
+        }
+    }
+
     // We overload so that 'SET NAMES "utf8"' is called for
     // each connection