From 41d42ad32e799aae1faa8ebc05eb94a5632f47b6 Mon Sep 17 00:00:00 2001
From: Ian Ward <ianshward@gmail.com>
Date: Mon, 6 Feb 2012 10:40:27 -0500
Subject: [PATCH] last-modified header should be in rfc2822 format

---
 lib/mbtiles.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index b5080d5..cc22684 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -174,7 +174,7 @@ MBTiles.prototype.getTile = function(z, x, y, callback) {
             } else {
                 var options = {
                     'Content-Type': MBTiles.utils.getMimeType(row.tile_data),
-                    'Last-Modified': mbtiles._stat.mtime,
+                    'Last-Modified': new Date(mbtiles._stat.mtime).toUTCString(),
                     'ETag': mbtiles._stat.size + '-' + Number(mbtiles._stat.mtime)
                 };
                 return callback(null, row.tile_data, options);