diff --git a/includes/dbFacile.php b/includes/dbFacile.php
index 1ff1732f0c..e85df8a1c3 100644
--- a/includes/dbFacile.php
+++ b/includes/dbFacile.php
@@ -120,7 +120,11 @@ function dbUpdate($data, $table, $where = null, $parameters = array()) {
 	// but how merge these field placeholders with actual $parameters array for the WHERE clause
 	$sql = 'UPDATE `' . $table . '` SET ';
 	foreach($data as $key => $value) {
-                $sql .= "`".$key."` = '" . $value . "',";
+                if ($value == "NOW()") {
+                  $sql .= "`".$key."` = " . $value . ",";
+                } else {
+                  $sql .= "`".$key."` = '" . $value . "',";
+                }
 	}
 	$sql = substr($sql, 0, -1); // strip off last comma
 
diff --git a/includes/discovery/functions.inc.php b/includes/discovery/functions.inc.php
index c99a2dfe0f..d22084ccf8 100644
--- a/includes/discovery/functions.inc.php
+++ b/includes/discovery/functions.inc.php
@@ -118,8 +118,8 @@ function discover_device($device, $options = NULL)
   }
 
   $device_end = utime(); $device_run = $device_end - $device_start; $device_time = substr($device_run, 0, 5);
-
-  dbUpdate(array('last_discovered' => array('NOW()'), 'type' => $device['type'], 'last_discovered_timetaken' => $device_time), 'devices', '`device_id` = ?', array($device['device_id']));
+  
+  dbUpdate(array('last_discovered' => 'NOW()', 'type' => $device['type'], 'last_discovered_timetaken' => $device_time), 'devices', '`device_id` = ?', array($device['device_id']));
 
   echo("Discovered in $device_time seconds\n");