diff --git a/lib/Doctrine/ORM/Cache/DefaultEntityHydrator.php b/lib/Doctrine/ORM/Cache/DefaultEntityHydrator.php
index b654c0425..62f76205e 100644
--- a/lib/Doctrine/ORM/Cache/DefaultEntityHydrator.php
+++ b/lib/Doctrine/ORM/Cache/DefaultEntityHydrator.php
@@ -75,6 +75,10 @@ class DefaultEntityHydrator implements EntityHydrator
         $data = $this->uow->getOriginalEntityData($entity);
         $data = array_merge($data, $metadata->getIdentifierValues($entity)); // why update has no identifier values ?
 
+        if ($metadata->isVersioned) {
+            $data[$metadata->versionField] = $metadata->getFieldValue($entity, $metadata->versionField);
+        }
+
         foreach ($metadata->associationMappings as $name => $assoc) {
             if ( ! isset($data[$name])) {
                 continue;