diff --git a/src/Worker/Notifier.php b/src/Worker/Notifier.php
index 8a155f0bc0..7531a639d7 100644
--- a/src/Worker/Notifier.php
+++ b/src/Worker/Notifier.php
@@ -548,7 +548,7 @@ class Notifier
 	private static function skipDFRN($contact, $item, $cmd)
 	{
 		// Don't skip when author or owner don't have AP profiles
-		if (empty(APContact::getByURL($item['author-link'], false)) || empty(APContact::getByURL($item['owner-link'], false))) {
+		if ((!empty($item['author-link']) && empty(APContact::getByURL($item['author-link'], false))) || (!empty($item['owner-link']) && empty(APContact::getByURL($item['owner-link'], false)))) {
 			return false;
 		}