diff --git a/lib/Doctrine/ORM/PersistentCollection.php b/lib/Doctrine/ORM/PersistentCollection.php
index 41d360f02..b56d0930b 100644
--- a/lib/Doctrine/ORM/PersistentCollection.php
+++ b/lib/Doctrine/ORM/PersistentCollection.php
@@ -61,14 +61,14 @@ final class PersistentCollection implements Collection
      *
      * @var array
      */
-    protected $association;
+    private $association;
 
     /**
      * The EntityManager that manages the persistence of the collection.
      *
      * @var Doctrine\ORM\EntityManager
      */
-    protected $em;
+    private $em;
 
     /**
      * The name of the field on the target entities that points to the owner
@@ -96,7 +96,7 @@ final class PersistentCollection implements Collection
      * 
      * @var boolean
      */
-    protected $initialized = true;
+    private $initialized = true;
     
     /**
      * The wrapped Collection instance.
diff --git a/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php b/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php
index 5f1a29859..caa8c22b3 100644
--- a/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php
+++ b/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php
@@ -779,11 +779,13 @@ class BasicEntityPersister
             while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {
                 $coll->hydrateAdd($this->_createEntity($result));
             }
+            $stmt->closeCursor();
         } else {
             $entities = array();
             while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {
                 $entities[] = $this->_createEntity($result);
             }
+            $stmt->closeCursor();
             return $entities;
         }
     }
@@ -1220,11 +1222,13 @@ class BasicEntityPersister
             while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {
                 $coll->hydrateAdd($this->_createEntity($result));
             }
+            $stmt->closeCursor();
         } else {
             $entities = array();
             while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {
                 $entities[] = $this->_createEntity($result);
             }
+            $stmt->closeCursor();
             return $entities;
         }
     }