diff --git a/includes/polling/functions.inc.php b/includes/polling/functions.inc.php
index 4582426c4..b40a5f18a 100644
--- a/includes/polling/functions.inc.php
+++ b/includes/polling/functions.inc.php
@@ -223,9 +223,9 @@ function poll_device($device, $options)
       rrdtool_update($ping_rrd, "N:$ping_time");
     }
 
-    $update_array['last_polled'] = array('NOW()');
+    $update_array['last_polled'] = 'NOW()';
     $update_array['last_polled_timetaken'] = $device_time;
-    $update_array['last_ping'] = array('NOW()');
+    $update_array['last_ping'] = 'NOW()';
     $update_array['last_ping_timetaken'] = $ping_time;
 
     #echo("$device_end - $device_start; $device_time $device_run");
diff --git a/includes/polling/ports.inc.php b/includes/polling/ports.inc.php
index c8a18e885..6c43bf507 100755
--- a/includes/polling/ports.inc.php
+++ b/includes/polling/ports.inc.php
@@ -430,6 +430,12 @@ foreach ($ports as $port)
       $memcache->set('port-'.$port['port_id'].'-state', $port['state']);
     }
 
+    foreach ($port['update'] as $key => $val_check){
+      if (!isset($val_check)) {
+        unset($port['update'][$key]);
+      }
+    }
+
     // Update Database
     if (count($port['update']))
     {