diff --git a/Form/Type/DoctrineORMSerializationType.php b/Form/Type/DoctrineORMSerializationType.php
index cb83694b..5f7fb771 100644
--- a/Form/Type/DoctrineORMSerializationType.php
+++ b/Form/Type/DoctrineORMSerializationType.php
@@ -98,7 +98,7 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                 continue;
             }
 
-            if (!in_array($this->group, $propertyMetadata->groups)) {
+            if (!$propertyMetadata->groups || !in_array($this->group, $propertyMetadata->groups)) {
                 continue;
             }