diff -u b/core/modules/media/src/Entity/Media.php b/core/modules/media/src/Entity/Media.php
--- b/core/modules/media/src/Entity/Media.php
+++ b/core/modules/media/src/Entity/Media.php
@@ -417,9 +417,12 @@
       if (!$translation->hasField($entity_field_name)) {
         continue;
       }
-      // Populate the field value in one of these scenarios: 1) The caller of
-      // this function asked for it explicitly, 2) The entity field is empty,
-      // or 3) The media source field has changed.
+      /**
+       * Populate the field value in one of these scenarios:
+       * - The caller of this function asked for it explicitly.
+       * - The entity field is empty.
+       * - The media source field has changed.
+       */
       if ($overwrite_existing || $translation->get($entity_field_name)->isEmpty() || $translation->hasSourceFieldChanged()) {
         $translation->set($entity_field_name, $media_source->getMetadata($translation, $metadata_attribute_name));
       }
diff -u b/core/modules/media/tests/src/Functional/MediaUpdateMetadataControllerTest.php b/core/modules/media/tests/src/Functional/MediaUpdateMetadataControllerTest.php
--- b/core/modules/media/tests/src/Functional/MediaUpdateMetadataControllerTest.php
+++ b/core/modules/media/tests/src/Functional/MediaUpdateMetadataControllerTest.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\Tests\media\Functional;
 
+use Drupal\file\Entity\File as FileEntity
 use Drupal\media\Entity\Media;
 use Drupal\media\Plugin\media\Source\File;
 
@@ -27,7 +28,7 @@
     $source_plugin = $media_type->getSource();
 
     // Initially the "name" metadata is the filename.
-    $file = \Drupal\file\Entity\File::create([
+    $file = FileEntity::create([
       'uri' => 'public://foo.txt',
       'uid' => 1,
     ]);