Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 19125)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -1572,6 +1572,10 @@
 	left: 26px;
 }
 
+.folded #adminmenu .wp-not-current-submenu .wp-submenu-wrap {
+	top: -1px;
+}
+
 #adminmenu .wp-submenu.sub-open,
 .folded #adminmenu .wp-has-current-submenu .wp-submenu.sub-open,
 .no-js #adminmenu .wp-has-submenu:hover .wp-submenu,