Index: trunk/kernel/frontaction.php
===================================================================
diff -u -N -r916 -r923
--- trunk/kernel/frontaction.php	(.../frontaction.php)	(revision 916)
+++ trunk/kernel/frontaction.php	(.../frontaction.php)	(revision 923)
@@ -413,7 +413,7 @@
                  if($GroupId>0)
                  {
                    $g = $objGroups->GetItem($GroupId);
-                   $g->AddUser($u->Get("PortalUserId"),1);
+                   $g->AddUser($u->Get("PortalUserId"),1, '', false);
                  }
                
                  $custom = $_POST["custom"];