diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
index f907854..4cb16f7 100644
--- a/system/libraries/Xmlrpc.php
+++ b/system/libraries/Xmlrpc.php
@@ -854,7 +854,7 @@
else
{
// not top level element: see if parent is OK
- if (!in_array($this->xh[$the_parser]['stack'][0], $this->valid_parents[$name]))
+ if (!in_array($this->xh[$the_parser]['stack'][0], $this->valid_parents[$name], TRUE))
{
$this->xh[$the_parser]['isf'] = 2;
$this->xh[$the_parser]['isf_reason'] = "XML-RPC element $name cannot be child of ".$this->xh[$the_parser]['stack'][0];