diff --git a/xero.php b/xero.php
index 3afa43d..888b3e7 100644
--- a/xero.php
+++ b/xero.php
@@ -1267,8 +1267,7 @@ public static function toXML( $data, $rootNodeName = 'ResultSet', &$xml=null ) {
             } else {
 
                 // add single node.
-                $value = htmlentities( $value );
-                $xml->addChild( $key, $value );
+                $xml->$key = $value;
             }
         }