Index: nav-menus.php
===================================================================
--- nav-menus.php	(revision 33000)
+++ nav-menus.php	(working copy)
@@ -569,7 +569,7 @@
 					' <a class="add-new-h2 hide-if-no-customize" href="%1$s">%2$s</a>',
 					esc_url( add_query_arg(
 						array(
-							array( 'autofocus' => array( 'panel' => 'menus' ) ),
+							array( 'autofocus' => array( 'panel' => 'nav_menus' ) ),
 							'return' => urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) )
 						),
 						admin_url( 'customize.php' )