Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 18660)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -1768,6 +1768,14 @@
 	display: block;
 }
 
+.js.folded #adminmenu div.wp-submenu-head a {
+	padding: 0;
+}
+
+.js.folded #adminmenu div.wp-submenu-head a:hover {
+	background-color: transparent !important;
+}
+
 .js.folded #adminmenu a.menu-top,
 body.no-js #adminmenu .wp-menu-toggle,
 .js.folded #adminmenu div.wp-menu-toggle {
Index: wp-admin/menu-header.php
===================================================================
--- wp-admin/menu-header.php	(revision 18660)
+++ wp-admin/menu-header.php	(working copy)
@@ -110,7 +110,7 @@
 
 		if ( !empty($submenu[$item[2]]) ) {
 			echo "\n\t<div class='wp-submenu'><div class='wp-submenu-wrap'>";
-			echo "<div class='wp-submenu-head'>{$item[0]}</div><ul>";
+			echo "<div class='wp-submenu-head'><a href='{$item[2]}'>{$item[0]}</a></div><ul>";
 			$first = true;
 			foreach ( $submenu[$item[2]] as $sub_key => $sub_item ) {
 				if ( !current_user_can($sub_item[1]) )