Index: wp-includes/default-filters.php
===================================================================
--- wp-includes/default-filters.php	(revision 36027)
+++ wp-includes/default-filters.php	(working copy)
@@ -248,6 +250,7 @@
     add_action( 'wp_head', 'wp_no_robots' );

 // Login actions
+add_action( 'login_head',          'wp_print_styles',               8     );
 add_action( 'login_head',          'wp_print_head_scripts',         9     );
 add_action( 'login_head',          'wp_site_icon',                  99    );
 add_action( 'login_footer',        'wp_print_footer_scripts',       20    );