diff --git a/src/Serializer/ElifeAssessmentNormalizer.php b/src/Serializer/ElifeAssessmentNormalizer.php
index 5b2c2fef..dd94d8da 100644
--- a/src/Serializer/ElifeAssessmentNormalizer.php
+++ b/src/Serializer/ElifeAssessmentNormalizer.php
@@ -54,6 +54,12 @@ public function normalize($object, $format = null, array $context = []) : array
                     return $this->normalizer->normalize($block, $format, $context);
                 })
                 ->toArray();
+            if ($articleSection->getDoi() !== null) {
+                $data['doi'] = $articleSection->getDoi();
+            }
+            if ($articleSection->getId() !== null) {
+                $data['id'] = $articleSection->getId();
+            }
         }
         if ($object->getSignificance() !== null) {
             $data['significance'] = $object->getSignificance();