gistfile1.diff

diff --git a/lib/tilelive/mbtiles.js b/lib/tilelive/mbtiles.js
index eff4fe1..60c7709 100644
--- a/lib/tilelive/mbtiles.js
+++ b/lib/tilelive/mbtiles.js
@@ -3,6 +3,7 @@ var fs = require('fs');
 var Step = require('step');
 var crypto = require('crypto');
 var compress = require('compress');
+var zlib = require('zlib');
 var Buffer = require('buffer').Buffer;
 
 // Helper wrapper around `compress.Gzip` that
@@ -282,11 +283,9 @@ MBTiles.prototype.insertUTFGrids = function(grids, callback) {
 
     var total = grids.length, ran = 0;
     grids.forEach(function(grid) {
-        deflate(grid.grid_utfgrid, function(err, data) {
-            if (err) throw err;
-            stmt.run(grid.grid_id, new Buffer(data, 'binary'));
-            if (++ran === total) stmt.finalize(callback);
-        });
+        var buf = zlib.deflate(grid.grid_utfgrid);
+        stmt.run(grid.grid_id, buf);
+        if (++ran === total) stmt.finalize(callback);
     });
 };
 
@@ -413,15 +412,18 @@ MBTiles.prototype.render = function(tile, callback) {
             function() {
                 that.grid(tile.x, tile.y, tile.z, this);
             },
-            function(err, g) {
+            function(err, buf) {
                 if (err) throw err;
+                console.log(buf);
                 if (!Buffer.isBuffer(buf))
                     buf = new Buffer(buf, 'binary');
-                inflate(buf, this);
+                // currently failing with 'Error: Unknown Error'
+                var inflated = zlib.inflate(buf);
+                this(null,inflated);
             },
-            function(err, g) {
+            function(err, buf) {
                 if (err) throw err;
-                grid = g.toString();
+                grid = buf.toString();
                 that.grid_data(tile.x, tile.y, tile.z, this);
             },
             function(err, gd) {
diff --git a/package.json b/package.json
index 0832ad8..7db8c06 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
       "underscore"  : ">= 1.1.1",
       "generic-pool": ">= 1.0.3",
       "step"        : ">= 0.0.4",
-      "compress"    : "https://github.com/kkaefer/node-compress/tarball/master"
+      "zlib"    : "https://github.com/kkaefer/node-zlib/tarball/master"
   },
   "bin"           : {
     "tilelive_server.js": "./bin/tilelive_server.js"