diff --git a/admin/registration_list.php b/admin/registration_list.php
index 3671fe1..e802c37 100644
--- a/admin/registration_list.php
+++ b/admin/registration_list.php
@@ -51,6 +51,11 @@ case 'load_row':
 
 case 'delete':
 	$regid = intval($_GET['id']);
+	$q = mysql_query("SELECT * FROM projects WHERE registrations_id='$regid'");
+	if(mysql_num_rows($q)) {
+		$p = mysql_fetch_assoc($q);
+		mysql_query("DELETE FROM winners WHERE projects_id='{$p['id']}'");
+	}
  	mysql_query("DELETE FROM registrations WHERE id='$regid' AND year='".$config['FAIRYEAR']."'");
 	mysql_query("DELETE FROM students WHERE registrations_id='$regid' AND year='".$config['FAIRYEAR']."'");
 	mysql_query("DELETE FROM projects WHERE registrations_id='$regid' AND year='".$config['FAIRYEAR']."'");