diff --git a/core/modules/migrate/src/Plugin/migrate/process/Extract.php b/core/modules/migrate/src/Plugin/migrate/process/Extract.php
index 81671d8..1ac88ca 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/Extract.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/Extract.php
@@ -14,7 +14,8 @@
  * @link https://www.drupal.org/node/2152731 Online handbook documentation for extract process plugin @endlink
  *
  * @MigrateProcessPlugin(
- *   id = "extract"
+ *   id = "extract",
+ *   handle_multiples = TRUE
  * )
  */
 class Extract extends ProcessPluginBase {