diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
index 1b4229dbc6..22ccfc2cf4 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
@@ -191,7 +191,7 @@ class RecordIndexer
             });
 
             // bulk flush : flag records as "indexed"
-            $bulk->onFlush(function($operation_identifiers) use ($databox) {
+            $bulk->onFlush(function($operation_identifiers) use ($databox, &$submited_records) {
                 $this->onBulkFlush($databox, $operation_identifiers, $submited_records);
             });