diff --git a/gulliver/system/class.wysiwygEditor.php b/gulliver/system/class.wysiwygEditor.php
index 77f0fdcdc..0236cbdbc 100644
--- a/gulliver/system/class.wysiwygEditor.php
+++ b/gulliver/system/class.wysiwygEditor.php
@@ -56,8 +56,11 @@ class XmlFormFieldWYSIWYGEditor extends XmlFormField
* @return string
*
*/
- public function render($value, $owner = null)
+ public function render($value = null, $owner = null)
{
+ if ($value === null) {
+ $value = '';
+ }
$value = ($value == '') ? '
' : $value;
$html = "";