Index: default-filters.php
===================================================================
--- default-filters.php	(revision 27032)
+++ default-filters.php	(working copy)
@@ -151,6 +151,8 @@
 
 add_filter( 'comment_excerpt', 'convert_chars' );
 
+add_filter('widget_text', 'do_shortcode');
+
 add_filter( 'list_cats',         'wptexturize' );
 
 add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 );