diff --git a/core/modules/media/src/Plugin/media/Source/File.php b/core/modules/media/src/Plugin/media/Source/File.php
index 6d43e2c..909cb4e 100644
--- a/core/modules/media/src/Plugin/media/Source/File.php
+++ b/core/modules/media/src/Plugin/media/Source/File.php
@@ -49,19 +49,19 @@ public function getMetadataAttributes() {
   /**
    * {@inheritdoc}
    */
-  public function getMetadata(MediaInterface $media, $name) {
+  public function getMetadata(MediaInterface $media, $attribute_name) {
     /** @var \Drupal\file\FileInterface $file */
     $file = $media->get($this->configuration['source_field'])->entity;
     // If the source field is not required, it may be empty.
     if (!$file) {
-      return parent::getMetadata($media, $name);
+      return parent::getMetadata($media, $attribute_name);
     }
-    switch ($name) {
+    switch ($attribute_name) {
       case 'default_name':
         return $file->getFilename();
 
       case 'thumbnail_uri':
-        return $this->getThumbnail($file) ?: parent::getMetadata($media, $name);
+        return $this->getThumbnail($file) ?: parent::getMetadata($media, $attribute_name);
 
       case static::METADATA_ATTRIBUTE_MIME:
         return $file->getMimeType() ?: NULL;
@@ -71,7 +71,7 @@ public function getMetadata(MediaInterface $media, $name) {
         return is_numeric($size) ? $size : NULL;
 
       default:
-        return parent::getMetadata($media, $name);
+        return parent::getMetadata($media, $attribute_name);
     }
   }