diff --git a/libraries/joomla/user/user.php b/libraries/joomla/user/user.php
index 2d391f66089d6..a6b2338e066fc 100644
--- a/libraries/joomla/user/user.php
+++ b/libraries/joomla/user/user.php
@@ -478,6 +478,21 @@ public function getAuthorisedGroups()
 		return $this->_authGroups;
 	}
 
+	/**
+	 * Clears the access rights cache of this user
+	 *
+	 * @return  void
+	 *
+	 * @since   3.4.0
+	 */
+	public function clearAccessRights()
+	{
+		$this->_authLevels = null;
+		$this->_authGroups = null;
+		$this->isRoot = null;
+		JAccess::clearStatics();
+	}
+
 	/**
 	 * Pass through method to the table for setting the last visit date
 	 *