diff --git a/etemplate/inc/class.etemplate_widget_tabbox.inc.php b/etemplate/inc/class.etemplate_widget_tabbox.inc.php
index f9b2cba623..de00148ded 100644
--- a/etemplate/inc/class.etemplate_widget_tabbox.inc.php
+++ b/etemplate/inc/class.etemplate_widget_tabbox.inc.php
@@ -14,7 +14,7 @@
 /**
  * eTemplate Tabs widget stacks multiple sub-templates and lets you switch between them
  */
-class etemplate_widget_tabbox extends etemplate_widget
+class etemplate_widget_tabbox extends etemplate_widget_box
 {
 	/**
 	 * Validate input - just pass through, tabs doesn't care
@@ -27,7 +27,7 @@ class etemplate_widget_tabbox extends etemplate_widget
 	 */
 	public function validate($cname, array $expand, array $content, &$validated=array())
 	{
-		$form_name = self::form_name($cname, $this->id, $expand);
+		$form_name = $cname;
 
 		if (!$this->is_readonly($cname, $form_name))
 		{