diff --git a/src/Entity/CorrespondingReference.php b/src/Entity/CorrespondingReference.php
index 7b2ede0..3f77ab1 100644
--- a/src/Entity/CorrespondingReference.php
+++ b/src/Entity/CorrespondingReference.php
@@ -29,6 +29,14 @@ use Drupal\cer\CorrespondingReferenceOperations;
  *     "id" = "id",
  *     "label" = "label"
  *   },
+ *   config_export = {
+ *     "id",
+ *     "label",
+ *     "enabled",
+ *     "first_field",
+ *     "second_field",
+ *     "bundles"
+ *   },
  *   links = {
  *     "collection" = "/admin/config/content/cer",
  *     "edit-form" = "/admin/config/content/cer/{corresponding_reference}",