diff --git a/includes/dbFacile.php b/includes/dbFacile.php
index 71bf056e08..4f0277da1a 100644
--- a/includes/dbFacile.php
+++ b/includes/dbFacile.php
@@ -94,7 +94,7 @@ function dbQuery($sql, $parameters = array())
     $result = mysqli_query($database_link, $fullSql);
     if (!$result) {
         $mysql_error = mysqli_error($database_link);
-        if ((in_array($config['mysql_log_level'], array('INFO', 'ERROR')) && !preg_match('/Duplicate entry/', $mysql_error)) || (in_array($config['mysql_log_level'], array('DEBUG')))) {
+        if (isset($config['mysql_log_level']) && ((in_array($config['mysql_log_level'], array('INFO', 'ERROR')) && !preg_match('/Duplicate entry/', $mysql_error)) || in_array($config['mysql_log_level'], array('DEBUG')))) {
             if (!empty($mysql_error)) {
                 logfile(date($config['dateformat']['compact']) . " MySQL Error: $mysql_error ($fullSql)");
             }
@@ -344,7 +344,7 @@ function dbFetchRow($sql = null, $parameters = array(), $nocache = false)
 {
     global $config;
 
-    if ($config['memcached']['enable'] && $nocache === false) {
+    if (isset($config['memcached']['enable']) && $config['memcached']['enable'] && $nocache === false) {
         $result = $config['memcached']['resource']->get(hash('sha512', $sql.'|'.serialize($parameters)));
         if (!empty($result)) {
             return $result;
@@ -359,7 +359,7 @@ function dbFetchRow($sql = null, $parameters = array(), $nocache = false)
 
         recordDbStatistic('fetchrow', $time_start);
 
-        if ($config['memcached']['enable'] && $nocache === false) {
+        if (isset($config['memcached']['enable']) && $config['memcached']['enable'] && $nocache === false) {
             $config['memcached']['resource']->set(hash('sha512', $sql.'|'.serialize($parameters)), $row, $config['memcached']['ttl']);
         }
         return $row;
diff --git a/tests/SyslogTest.php b/tests/SyslogTest.php
index fa5e5bd583..c36fa0bd4d 100644
--- a/tests/SyslogTest.php
+++ b/tests/SyslogTest.php
@@ -238,7 +238,7 @@ class SyslogTest extends \PHPUnit_Framework_TestCase
     {
         // populate fake $dev_cache and $config
         global $config, $dev_cache;
-        $dev_cache['1.1.1.1'] = array('device_id' => 1, 'os' => 'zywall', 'version' => 1);
+        $dev_cache['1.1.1.1'] = array('device_id' => 1, 'os' => 'zywall', 'version' => 1, 'hostname' => 'zywall');
         $config = array();
         $config['syslog_filter'] = array();