diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Plugin/migrate/source/d6/UploadInstance.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Plugin/migrate/source/d6/UploadInstance.php
index 48081b3..c8fc5d7 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Plugin/migrate/source/d6/UploadInstance.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Plugin/migrate/source/d6/UploadInstance.php
@@ -14,7 +14,7 @@
  *
  * @MigrateSource(
  *   id = "d6_upload_instance",
- *   source_provider = "content"
+ *   source_provider = "upload"
  * )
  */
 class UploadInstance extends DrupalSqlBase {