diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index 8bdebe5b8d..75dadfc465 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -157,6 +157,8 @@ add_filter( 'list_cats',         'wptexturize' );
 
 add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 );
 
+add_filter( 'widget_text', 'balanceTags' );
+
 // RSS filters
 add_filter( 'the_title_rss',      'strip_tags'                    );
 add_filter( 'the_title_rss',      'ent2ncr',                    8 );