diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
index 7049b7c00..98e157712 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
@@ -63,7 +63,7 @@ class PersonJsonNormalizer implements
     {
         $person = $this->extractObjectToPopulate($type, $context);
 
-        if (array_key_exists('id', $data)) {
+        if (array_key_exists('id', $data) && null === $person) {
             $person = $this->repository->find($data['id']);
 
             if (null === $person) {