diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 43a4384d4d..531a23a69b 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -719,7 +719,7 @@ class Transmitter
 				continue;
 			}
 
-			if ($isforum && ($contact['dfrn'] == Protocol::DFRN)) {
+			if ($isforum && ($contact['network'] == Protocol::DFRN)) {
 				continue;
 			}