diff --git a/src/libraries/kunena/forum/message/message.php b/src/libraries/kunena/forum/message/message.php
index 490126f5a8..30884a1f45 100644
--- a/src/libraries/kunena/forum/message/message.php
+++ b/src/libraries/kunena/forum/message/message.php
@@ -496,7 +496,7 @@ public function sendNotification($url = null, $approved = false)
 					continue;
 				}
 
-				if ($config->emailVisibleAddress != $emailTo->email)
+				if ($config->email_visible_address != $emailTo->email)
 				{
 					$receivers[$emailTo->subscription][] = $emailTo->email;
 					$sentusers[]                         = $emailTo->id;