From 2cb7dc042c2030f9171c8d0bda06fbc959561b7a Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Fri, 6 Nov 2015 18:21:39 +0000
Subject: [PATCH] (legacy) url alias doesn't contain an address, closes
 https://github.com/opnsense/core/issues/457

---
 src/etc/inc/util.inc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/etc/inc/util.inc b/src/etc/inc/util.inc
index b412a1a2e..1b185c5d6 100644
--- a/src/etc/inc/util.inc
+++ b/src/etc/inc/util.inc
@@ -978,8 +978,7 @@ function mwexec_bg($command, $mute = false)
 /* check if an alias exists */
 function is_alias($name) {
 	global $aliastable;
-
-	return isset($aliastable[$name]);
+	return array_key_exists($name, $aliastable);
 }
 
 function alias_get_type($name) {