diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index 509379a3cf..7520c6aa35 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -100,6 +100,9 @@ function is_ipaddroralias($ipaddr) {
 
 	global $aliastable, $config;
 
+	if(!$config['aliases']['alias']) 
+		return;
+
 	foreach($config['aliases']['alias'] as $alias) {
 		if($alias['name'] == $ipaddr)
 			return true;