diff --git a/admin/registration_receivedforms.php b/admin/registration_receivedforms.php
index bbdf1d55..feb7e2ab 100644
--- a/admin/registration_receivedforms.php
+++ b/admin/registration_receivedforms.php
@@ -284,7 +284,7 @@ echo mysql_Error();
  	$reg_num=intval(trim($_GET['registration_number']));
  	$q=mysql_query("SELECT registrations.id AS reg_id, projects.id AS proj_id FROM projects,registrations WHERE projects.registrations_id=registrations.id AND registrations.year='{$config['FAIRYEAR']}' AND registrations.num='$reg_num'");
 	$r=mysql_fetch_object($q);
- 	mysql_query("UPDATE projects SET projectnumber=null, projectsort=null, projectnumber_seq=null, projectsort_seq=null WHERE id='$r->proj_id' AND year='{$config['FAIRYEAR']}'");
+ 	mysql_query("UPDATE projects SET projectnumber=null, projectsort=null, projectnumber_seq=0, projectsort_seq=0 WHERE id='$r->proj_id' AND year='{$config['FAIRYEAR']}'");
  	mysql_query("UPDATE registrations SET status='open' WHERE id='$r->reg_id' AND year='{$config['FAIRYEAR']}'");
 	echo happy(i18n("Successfully unregistered project"));
  }