diff --git a/app/Util/ActivityPub/Inbox.php b/app/Util/ActivityPub/Inbox.php
index 8d5c45710..25e3f186b 100644
--- a/app/Util/ActivityPub/Inbox.php
+++ b/app/Util/ActivityPub/Inbox.php
@@ -36,6 +36,7 @@ use App\Util\ActivityPub\Validator\UndoFollow as UndoFollowValidator;
 
 use App\Services\PollService;
 use App\Services\FollowerService;
+use App\Models\Conversation;
 
 class Inbox
 {