diff --git a/core/modules/media/src/Entity/Media.php b/core/modules/media/src/Entity/Media.php
index 76739dbe48d38a07b909c46f1839d8139a14c76a..2170f91979bd811d4b72f182dfeaa7023d5869c9 100644
--- a/core/modules/media/src/Entity/Media.php
+++ b/core/modules/media/src/Entity/Media.php
@@ -454,6 +454,7 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
 
     $fields['uid']
       ->setLabel(t('Authored by'))
+      ->setRequired(TRUE)
       ->setDescription(t('The user ID of the author.'))
       ->setRevisionable(TRUE)
       ->setDisplayOptions('form', [