diff --git a/includes/polling/ucd-diskio.inc.php b/includes/polling/ucd-diskio.inc.php
index 742fd8ba5..961fe6073 100644
--- a/includes/polling/ucd-diskio.inc.php
+++ b/includes/polling/ucd-diskio.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-$diskio_data = dbFetchRows("SELECT * FROM `ucd_diskio` WHERE `device_id`  = ?".array($device['device_id']));
+$diskio_data = dbFetchRows("SELECT * FROM `ucd_diskio` WHERE `device_id`  = ?",array($device['device_id']));
 
 if (count($diskio_data))
 {