diff --git a/strongswan-5.2.2-5.3.0_unknown_payload.patch b/strongswan-5.2.2-5.3.0_unknown_payload.patch
index 3ba06ed..671db54 100644
--- a/strongswan-5.2.2-5.3.0_unknown_payload.patch
+++ b/strongswan-5.2.2-5.3.0_unknown_payload.patch
@@ -1,6 +1,7 @@
 From 7733b99198111ef1f30a964e15e93cb1e6d27a85 Mon Sep 17 00:00:00 2001
 From: Tobias Brunner <tobias@strongswan.org>
 Date: Fri, 15 May 2015 11:15:57 +0200
+References: bsc#931272,CVE-2015-3991
 Subject: [PATCH] unknown-payload: Use a new private payload type and make
  original type available