Index: wp-admin/includes/dashboard.php
===================================================================
--- wp-admin/includes/dashboard.php	(revision 11377)
+++ wp-admin/includes/dashboard.php	(working copy)
@@ -36,9 +36,10 @@
 	);
 
 	// Incoming Links Widget
-	if ( !isset( $widget_options['dashboard_incoming_links'] ) ) {
+	if ( !isset( $widget_options['dashboard_incoming_links'] ) || !isset( $widget_options['dashboard_incoming_links']['home'] ) || $widget_options['dashboard_incoming_links']['home'] != get_option('home') ) {
 		$update = true;
 		$widget_options['dashboard_incoming_links'] = array(
+			'home' => get_option('home'),
 			'link' => apply_filters( 'dashboard_incoming_links_link', 'http://blogsearch.google.com/blogsearch?hl=en&scoring=d&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
 			'url' => apply_filters( 'dashboard_incoming_links_feed', 'http://blogsearch.google.com/blogsearch_feeds?hl=en&scoring=d&ie=utf-8&num=10&output=rss&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
 			'items' => 5,