diff --git a/wp-includes/default-filters.php b/wp-includes/default-filters.php
index a8a7311917..c8be7d0e90 100644
--- a/wp-includes/default-filters.php
+++ b/wp-includes/default-filters.php
@@ -194,6 +194,8 @@ add_filter( 'comments_open',        '_close_comments_for_old_post', 10, 2 );
 add_filter( 'pings_open',           '_close_comments_for_old_post', 10, 2 );
 add_filter( 'editable_slug',        'urldecode'                           );
 add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object'    );
+add_filter( 'widget_text',          'shortcode_unautop'                   );
+add_filter( 'widget_text',          'do_shortcode'                        );
 
 // Actions
 add_action( 'wp_head',             'wp_enqueue_scripts',            1     );