diff --git a/src/RadioactivityReferenceUpdater.php b/src/RadioactivityReferenceUpdater.php
index fefb63f..aa201f1 100644
--- a/src/RadioactivityReferenceUpdater.php
+++ b/src/RadioactivityReferenceUpdater.php
@@ -3,9 +3,11 @@
 namespace Drupal\radioactivity;
 
 use Drupal\Component\Datetime\TimeInterface;
+use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Entity\EntityFieldManagerInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
+use Drupal\Core\TypedData\TranslatableInterface;
 use Drupal\radioactivity\Entity\Radioactivity;
 
 /**
@@ -86,14 +88,45 @@ class RadioactivityReferenceUpdater implements RadioactivityReferenceUpdaterInte
   /**
    * {@inheritdoc}
    */
-  public function updateReferenceFields(FieldableEntityInterface $entity): bool {
+  public function updateReferenceFields(ContentEntityInterface $entity): bool {
+    if (!$entity instanceof FieldableEntityInterface) {
+      return FALSE;
+    }
+
+    if ($entity instanceof TranslatableInterface) {
+      $languages = $entity->getTranslationLanguages();
+      $entityIsUpdated = FALSE;
+
+      foreach ($languages as $language) {
+        $entityIsUpdated |= $this->doUpdateReferenceFields($entity->getTranslation($language->getId()));
+      }
+    }
+    else {
+      $entityIsUpdated = $this->doUpdateReferenceFields($entity);
+    }
+
+    return $entityIsUpdated;
+  }
+
+  /**
+   * Adds missing radioactivity entities to radioactivity reference fields.
+   *
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+   *   The entity to use.
+   *
+   * @return bool
+   *   True if the entity has been updated.
+   */
+  protected function doUpdateReferenceFields(ContentEntityInterface $entity): bool {
+    $entityIsUpdated = FALSE;
 
     // Ignore entities that do not contain a radioactivity reference field.
     $fieldNames = $this->getReferenceFields($entity->getEntityTypeId(), $entity->bundle());
-    $entityIsUpdated = FALSE;
 
     foreach ($fieldNames as $fieldName) {
+      /** @var \Drupal\radioactivity\RadioactivityReferenceFieldItemList $radioactiveReferenceField */
       $radioactiveReferenceField = $entity->get($fieldName);
+
       if ($radioactiveReferenceField->isEmpty()) {
 
         // Create a radioactivity entity as target.
@@ -135,6 +168,7 @@ class RadioactivityReferenceUpdater implements RadioactivityReferenceUpdaterInte
       ->getKey('bundle');
 
     $query = $entityStorage->getQuery();
+    $query->accessCheck(FALSE);
     if ($bundleKey) {
       $query->condition($bundleKey, $bundle);
     }
diff --git a/src/RadioactivityReferenceUpdaterInterface.php b/src/RadioactivityReferenceUpdaterInterface.php
index bd65726..305e300 100644
--- a/src/RadioactivityReferenceUpdaterInterface.php
+++ b/src/RadioactivityReferenceUpdaterInterface.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\radioactivity;
 
+use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 
 /**
@@ -39,12 +40,12 @@ interface RadioactivityReferenceUpdaterInterface {
    *
    * Note that the entity may be (re-)saved during this process.
    *
-   * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
    *   The entity to use.
    *
    * @return bool
    *   True if the entity has been updated.
    */
-  public function updateReferenceFields(FieldableEntityInterface $entity): bool;
+  public function updateReferenceFields(ContentEntityInterface $entity): bool;
 
 }
diff --git a/tests/src/Unit/RadioactivityReferenceUpdaterTest.php b/tests/src/Unit/RadioactivityReferenceUpdaterTest.php
index 4ad1780..aea9d98 100644
--- a/tests/src/Unit/RadioactivityReferenceUpdaterTest.php
+++ b/tests/src/Unit/RadioactivityReferenceUpdaterTest.php
@@ -3,6 +3,7 @@
 namespace Drupal\Tests\radioactivity\Unit;
 
 use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Language\LanguageInterface;
 use Drupal\node\NodeInterface;
 use Drupal\radioactivity\RadioactivityReferenceUpdater;
 use Drupal\Tests\UnitTestCase;
@@ -191,6 +192,7 @@ class RadioactivityReferenceUpdaterTest extends UnitTestCase {
       ])
       ->disableOriginalConstructor()
       ->getMock();
+
     $fieldItemList = $this->createMock(FieldItemListInterface::class);
     $fieldItemList->expects($this->any())
       ->method('isEmpty')
@@ -202,7 +204,12 @@ class RadioactivityReferenceUpdaterTest extends UnitTestCase {
     $fieldItemList->expects($entityIsUpdated ? $this->once() : $this->never())
       ->method('setValue');
 
+    $language = $this->prophesize(LanguageInterface::class);
+    $language->getId()->willReturn($langcode);
+
     $entity = $this->prophesize(NodeInterface::class);
+    $entity->getTranslationLanguages()->willReturn([$language]);
+    $entity->getTranslation($langcode)->willReturn($entity);
     $entity->getEntityTypeId()->willReturn('node');
     $entity->bundle()->willReturn('article');
     $entity->get('field_rar')->willReturn($fieldItemList);