diff --git a/lib/Service/BotService.php b/lib/Service/BotService.php
index 4778d9befb..16902f8278 100644
--- a/lib/Service/BotService.php
+++ b/lib/Service/BotService.php
@@ -276,7 +276,7 @@ class BotService {
 		return [
 			'type' => Attendee::ACTOR_GUESTS,
 			'id' => $actorId,
-			'name' => $user->getDisplayName(),
+			'name' => '',
 		];
 	}