diff --git a/src/Entity/CorrespondingReference.php b/src/Entity/CorrespondingReference.php
index 3f77ab1..1966b83 100644
--- a/src/Entity/CorrespondingReference.php
+++ b/src/Entity/CorrespondingReference.php
@@ -248,7 +248,7 @@ class CorrespondingReference extends ConfigEntityBase implements CorrespondingRe
         continue;
       }
 
-      $differences = $this->calculateDifferences($entity, $fieldName, $deleted);
+      $differences = $this->calculateDifferences($entity, $fieldName, $deleted, TRUE);
       $correspondingField = $this->getCorrespondingField($fieldName);
 
       // Let other modules alter differences.
@@ -365,7 +365,7 @@ class CorrespondingReference extends ConfigEntityBase implements CorrespondingRe
    * @return array
    *   The differences keyed by 'added' and 'removed'.
    */
-  protected function calculateDifferences(FieldableEntityInterface $entity, $fieldName, $deleted = FALSE) {
+  protected function calculateDifferences(FieldableEntityInterface $entity, $fieldName, $deleted = FALSE, $addAlways = FALSE) {
     /** @var FieldableEntityInterface $original */
     $original = isset($entity->original) ? $entity->original : NULL;
 
@@ -400,7 +400,7 @@ class CorrespondingReference extends ConfigEntityBase implements CorrespondingRe
     $originalField = $original->get($fieldName);
 
     foreach ($entityField as $fieldItem) {
-      if (!$this->entityHasValue($original, $fieldName, $fieldItem->target_id)) {
+      if ($addAlways || !$this->entityHasValue($original, $fieldName, $fieldItem->target_id)) {
         $differences[CorrespondingReferenceOperations::ADD][] = $fieldItem->entity;
       }
     }