diff --git a/mapbox-mbtiles-0.12.2.tgz b/mapbox-mbtiles-0.12.2.tgz
new file mode 100644
index 0000000..6c2ff14
Binary files /dev/null and b/mapbox-mbtiles-0.12.2.tgz differ
diff --git a/package-lock.json b/package-lock.json
index 71f3650..40c79bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "BSD-2-Clause",
       "dependencies": {
         "@mapbox/glyph-pbf-composite": "0.0.3",
-        "@mapbox/mbtiles": "0.12.1",
+        "@mapbox/mbtiles": "file:/./mapbox-mbtiles-0.12.2.tgz",
         "@mapbox/polyline": "^1.2.1",
         "@mapbox/sphericalmercator": "1.2.0",
         "@mapbox/vector-tile": "1.3.1",
@@ -679,9 +679,9 @@
       }
     },
     "node_modules/@mapbox/mbtiles": {
-      "version": "0.12.1",
-      "resolved": "https://registry.npmjs.org/@mapbox/mbtiles/-/mbtiles-0.12.1.tgz",
-      "integrity": "sha512-yoK9GjLNHyOpxG+IG+JB4SGeiJeOHmiO1/HzTexplsBZi8MzZMck0l/fd3+t1uUyqgv4BxIn3D5FDtsVCaAr3g==",
+      "version": "0.12.2",
+      "resolved": "file:mapbox-mbtiles-0.12.2.tgz",
+      "integrity": "sha512-ejgbW4mLvkiR6a/UTyiTOsg4h2iCqvGrECShQigKygkwuvGnZzrv5LTny4RnY4QLFhkJtTp7QoHEZq0QoU4mAQ==",
       "dependencies": {
         "@mapbox/sphericalmercator": "~1.1.0",
         "@mapbox/tiletype": "0.3.x",
diff --git a/package.json b/package.json
index 34d6a2b..6056af7 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@mapbox/glyph-pbf-composite": "0.0.3",
-    "@mapbox/mbtiles": "0.12.1",
+    "@mapbox/mbtiles": "file:/./mapbox-mbtiles-0.12.2.tgz",
     "@mapbox/polyline": "^1.2.1",
     "@mapbox/sphericalmercator": "1.2.0",
     "@mapbox/vector-tile": "1.3.1",
diff --git a/src/serve_data.js b/src/serve_data.js
index 04e6675..0979dd0 100644
--- a/src/serve_data.js
+++ b/src/serve_data.js
@@ -116,7 +116,7 @@ export const serve_data = {
       },
     );
 
-    app.get('/:id/:t(\\d+)/:z(\\d+)/:x(\\d+)/:y(\\d+).:format([\\w.]+)', (req, res, next) => {
+    app.get('/:id/:t(\\d+)/:z(\\  d+)/:x(\\d+)/:y(\\d+).:format([\\w.]+)', (req, res, next) => {
       const item = repo[req.params.id];
       if (!item) {
         return res.sendStatus(404);