diff --git a/app/serializers/datacite_doi_serializer.rb b/app/serializers/datacite_doi_serializer.rb
index bcad91b05..ca5addf9a 100644
--- a/app/serializers/datacite_doi_serializer.rb
+++ b/app/serializers/datacite_doi_serializer.rb
@@ -24,7 +24,7 @@ class DataciteDoiSerializer
              :language,
              :types,
              :related_identifiers,
-            #  :related_items,
+             #  :related_items,
              :sizes,
              :formats,
              :version,