diff --git a/src/Protocol/ActivityPub/Processor.php b/src/Protocol/ActivityPub/Processor.php
index 43343f1e6..479d8d55c 100644
--- a/src/Protocol/ActivityPub/Processor.php
+++ b/src/Protocol/ActivityPub/Processor.php
@@ -387,7 +387,7 @@ class Processor
 
 			if (empty($activity['directmessage']) && ($item['thr-parent'] != $item['uri']) && ($item['gravity'] == GRAVITY_COMMENT)) {
 				$item_private = !in_array(0, $activity['item_receiver']);
-				$parent = Item::selectFirst(['id', 'private', 'author-link', 'alias'], ['uri' => $item['thr-parent']]);
+				$parent = Item::selectFirst(['id', 'uri-id', 'private', 'author-link', 'alias'], ['uri' => $item['thr-parent']]);
 				if (!DBA::isResult($parent)) {
 					Logger::warning('Unknown parent item.', ['uri' => $item['thr-parent']]);
 					return false;