diff --git a/src/wp-includes/class-wp-widget.php b/src/wp-includes/class-wp-widget.php
index 44f3686ddc..de9db07cc9 100644
--- a/src/wp-includes/class-wp-widget.php
+++ b/src/wp-includes/class-wp-widget.php
@@ -37,6 +37,24 @@ class WP_Widget {
 	 */
 	public $name;
 
+	/**
+	 * Option name for this widget type.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 * @var string
+	 */
+	public $option_name;
+
+	/**
+	 * Alt option name for this widget type.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 * @var string
+	 */
+	public $alt_option_name;
+
 	/**
 	 * Option array passed to wp_register_sidebar_widget().
 	 *