diff --git a/administrator/components/com_plugins/plugins.php b/administrator/components/com_plugins/plugins.php
index c156f89929700..b7e18b061abe7 100644
--- a/administrator/components/com_plugins/plugins.php
+++ b/administrator/components/com_plugins/plugins.php
@@ -12,7 +12,7 @@
 
 if (!JFactory::getUser()->authorise('core.manage', 'com_plugins'))
 {
-	return JError::raiseWarning(404, JText::_('JERROR_ALERTNOAUTHOR'));
+	throw new JControllerExceptionNotallowed(JText::_('JERROR_ALERTNOAUTHOR'), 403);
 }
 
 $controller = JControllerLegacy::getInstance('Plugins');
diff --git a/libraries/joomla/controller/exception/notallowed.php b/libraries/joomla/controller/exception/notallowed.php
new file mode 100644
index 0000000000000..d2ed2d57a6028
--- /dev/null
+++ b/libraries/joomla/controller/exception/notallowed.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Controller
+ *
+ * @copyright   Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * Exception class defining an not allowed controller access
+ *
+ * @since  __DEPLOY_VERSION__
+ */
+class JControllerExceptionNotallowed extends RuntimeException
+{
+}