diff --git a/Zotlabs/Module/Network.php b/Zotlabs/Module/Network.php
index 70e0048fb..6e961dc36 100644
--- a/Zotlabs/Module/Network.php
+++ b/Zotlabs/Module/Network.php
@@ -144,7 +144,7 @@ class Network extends \Zotlabs\Web\Controller {
 				// NOTREACHED
 			}
 			if($_GET['pf'] === '1')
-				$deftag = '@' . t('forum') . '+' . intval($cid) . '+';
+				$deftag = '!' . t('forum') . '+' . intval($cid);
 			else
 				$def_acl = [ 'allow_cid' => '<' . $r[0]['abook_xchan'] . '>', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '' ];
 		}