diff --git a/typo3/sysext/fluid/Classes/ViewHelpers/Form/AbstractFormViewHelper.php b/typo3/sysext/fluid/Classes/ViewHelpers/Form/AbstractFormViewHelper.php
index 042d67d..d1cbdad 100644
--- a/typo3/sysext/fluid/Classes/ViewHelpers/Form/AbstractFormViewHelper.php
+++ b/typo3/sysext/fluid/Classes/ViewHelpers/Form/AbstractFormViewHelper.php
@@ -59,6 +59,9 @@ abstract class AbstractFormViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\A
 	 * @see \TYPO3\CMS\Extbase\Mvc\Controller\Argument::setValue()
 	 */
 	protected function renderHiddenIdentityField($object, $name) {
+		if (is_object($object) && $object instanceof \TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy) {
+			$object = $object->_loadRealInstance();
+		}
 		if (!is_object($object)
 			|| !($object instanceof \TYPO3\CMS\Extbase\DomainObject\AbstractDomainObject)
 			|| ($object->_isNew() && !$object->_isClone())) {