diff --git a/core/modules/hal/lib/Drupal/hal/Normalizer/EntityNormalizer.php b/core/modules/hal/lib/Drupal/hal/Normalizer/EntityNormalizer.php
index 08ca067..8fbcffc 100644
--- a/core/modules/hal/lib/Drupal/hal/Normalizer/EntityNormalizer.php
+++ b/core/modules/hal/lib/Drupal/hal/Normalizer/EntityNormalizer.php
@@ -110,6 +110,8 @@ public function denormalize($data, $class, $format = NULL, array $context = arra
     // Figure out the language to use.
     if (isset($data['langcode'])) {
       $langcode = $data['langcode'][0]['value'];
+      // Remove the langcode so it does not get iterated over below.
+      unset($data['langcode']);
     }
     elseif (\Drupal::moduleHandler()->moduleExists('language')) {
       $langcode = language_get_default_langcode($typed_data_ids['entity_type'], $typed_data_ids['bundle']);
@@ -118,8 +120,6 @@ public function denormalize($data, $class, $format = NULL, array $context = arra
       $langcode = Language::LANGCODE_NOT_SPECIFIED;
     }
 
-    unset($data['langcode']);
-
     $entity = entity_create($typed_data_ids['entity_type'], array('langcode' => $langcode, 'type' => $typed_data_ids['bundle']));
 
     // Special handling for PATCH: destroy all possible default values that