diff --git a/core/modules/file/file.module b/core/modules/file/file.module
index 60a15d6190..fc3ce622c7 100644
--- a/core/modules/file/file.module
+++ b/core/modules/file/file.module
@@ -48,6 +48,17 @@ function file_help($route_name, RouteMatchInterface $route_match) {
   }
 }
 
+/**
+ * Implements hook_field_widget_info_alter().
+ */
+function file_field_widget_info_alter(array &$info) {
+  // This allows setting a valid default widget in the FileUriItem annotation.
+  // It's not strictly needed, but it's a required value on the annotation so
+  // should be a valid value.
+  // @see \Drupal\file\Plugin\Field\FieldType\FileUriItem
+  $info['uri']['field_types'][] = 'file_uri';
+}
+
 /**
  * Loads file entities from the database.
  *