From b2bd051c4acb37e4eaea5c028e59f5faf99a6ecb Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Mon, 22 Aug 2016 16:17:38 +0200
Subject: [PATCH] (UniqueConstraint) unique added fields

---
 .../app/models/OPNsense/Base/Constraints/UniqueConstraint.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/Constraints/UniqueConstraint.php b/src/opnsense/mvc/app/models/OPNsense/Base/Constraints/UniqueConstraint.php
index 760d50b11..2348f22bf 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/Constraints/UniqueConstraint.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/Constraints/UniqueConstraint.php
@@ -59,7 +59,7 @@ class UniqueConstraint extends BaseConstraint
             if ($containerNode != null && $level == 2) {
                 // collect (additional) key fields
                 $keyFields = array($nodeName);
-                $keyFields = array_merge($keyFields, $this->getOptionValueList('addFields'));
+                $keyFields = array_unique(array_merge($keyFields, $this->getOptionValueList('addFields')));
                 // calculate the key for this node
                 $nodeKey = '';
                 foreach ($keyFields as $field) {