diff --git a/src/Bundle/ChillMainBundle/Serializer/Normalizer/DateNormalizer.php b/src/Bundle/ChillMainBundle/Serializer/Normalizer/DateNormalizer.php
index d3161fd4a..ced02d250 100644
--- a/src/Bundle/ChillMainBundle/Serializer/Normalizer/DateNormalizer.php
+++ b/src/Bundle/ChillMainBundle/Serializer/Normalizer/DateNormalizer.php
@@ -72,6 +72,7 @@ class DateNormalizer implements ContextAwareNormalizerInterface, DenormalizerInt
             case 'json':
                 return [
                     'datetime' => $date->format(DateTimeInterface::ISO8601),
+                    'datetime8601' => $date->format(DateTimeInterface::ATOM),
                 ];
 
             case 'docgen':