Index: wp-admin/admin-ajax.php
===================================================================
--- wp-admin/admin-ajax.php	(revision 14254)
+++ wp-admin/admin-ajax.php	(working copy)
@@ -1098,8 +1098,8 @@
 
 	exit;
 	break;
-case 'meta-box-order':
-	check_ajax_referer( 'meta-box-order' );
+case 'metaboxorder':
+	check_ajax_referer( 'metaboxorder' );
 	$order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
 	$page_columns = isset( $_POST['page_columns'] ) ? (int) $_POST['page_columns'] : 0;
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
@@ -1111,7 +1111,7 @@
 		die('-1');
 
 	if ( $order )
-		update_user_option($user->ID, "meta-box-order_$page", $order, true);
+		update_user_option($user->ID, "metaboxorder_$page", $order, true);
 
 	if ( $page_columns )
 		update_user_option($user->ID, "screen_layout_$page", $page_columns, true);
Index: wp-admin/includes/dashboard.php
===================================================================
--- wp-admin/includes/dashboard.php	(revision 14254)
+++ wp-admin/includes/dashboard.php	(working copy)
@@ -193,7 +193,7 @@
 	<p>
 <?php
 	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
-	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+	wp_nonce_field( 'metaboxorder', 'metaboxorder-nonce', false );
 ?>
 	</p>
 </form>
Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 14254)
+++ wp-admin/includes/template.php	(working copy)
@@ -2858,7 +2858,7 @@
 	$i = 0;
 	do {
 		// Grab the ones the user has manually sorted. Pull them out of their previous context/priority and into the one the user chose
-		if ( !$already_sorted && $sorted = get_user_option( "meta-box-order_$page" ) ) {
+		if ( !$already_sorted && $sorted = get_user_option( "metaboxorder_$page" ) ) {
 			foreach ( $sorted as $box_context => $ids )
 				foreach ( explode(',', $ids) as $id )
 					if ( $id )
Index: wp-admin/js/postbox.dev.js
===================================================================
--- wp-admin/js/postbox.dev.js	(revision 14254)
+++ wp-admin/js/postbox.dev.js	(working copy)
@@ -132,8 +132,8 @@
 			var postVars, page_columns = $('.columns-prefs input:checked').val() || 0;
 
 			postVars = {
-				action: 'meta-box-order',
-				_ajax_nonce: $('#meta-box-order-nonce').val(),
+				action: 'metaboxorder',
+				_ajax_nonce: $('#metaboxorder-nonce').val(),
 				page_columns: page_columns,
 				page: page
 			}
Index: wp-admin/edit-link-form.php
===================================================================
--- wp-admin/edit-link-form.php	(revision 14254)
+++ wp-admin/edit-link-form.php	(working copy)
@@ -58,7 +58,7 @@
 
 wp_nonce_field( $nonce_action );
 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
-wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
+wp_nonce_field( 'metaboxorder', 'metaboxorder-nonce', false ); ?>
 
 <div id="poststuff" class="metabox-holder<?php echo 2 == $screen_layout_columns ? ' has-right-sidebar' : ''; ?>">
 
Index: wp-admin/edit-form-advanced.php
===================================================================
--- wp-admin/edit-form-advanced.php	(revision 14254)
+++ wp-admin/edit-form-advanced.php	(working copy)
@@ -193,7 +193,7 @@
 echo $form_extra;
 
 wp_nonce_field( 'autosave', 'autosavenonce', false );
-wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+wp_nonce_field( 'metaboxorder', 'metaboxorder-nonce', false );
 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
 ?>
 
Index: wp-admin/nav-menus.php
===================================================================
--- wp-admin/nav-menus.php	(revision 14254)
+++ wp-admin/nav-menus.php	(working copy)
@@ -405,7 +405,7 @@
 						</div><!--END #major-publishing-actions-->
 					</div><!--END #submitpost .submitbox-->
 					<?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
-					<?php wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
+					<?php wp_nonce_field( 'metaboxorder', 'metaboxorder-nonce', false ); ?>
 					<?php wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' ); ?>
 					<input type="hidden" name="action" value="update" />
 					<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />