diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 1210c72..37bbad2 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -268,7 +268,7 @@ MBTiles.prototype.insertGridTiles = function(map, callback) {
 // - @param {Number} y tile y coordinate.
 // - @param {Number} z tile z coordinate.
 // - @param {Function} callback
-MBTiles.prototype.getTile = function(x, y, z, callback) {
+MBTiles.prototype.getTile = function(z, x, y, callback) {
     if (typeof callback !== 'function') callback = noop;
 
     var mbtiles = this;
@@ -288,7 +288,7 @@ MBTiles.prototype.getTile = function(x, y, z, callback) {
 // - @param {Number} y tile y coordinate
 // - @param {Number} z tile z coordinate
 // - @param {Function} callback
-MBTiles.prototype.getGrid = function(x, y, z, callback) {
+MBTiles.prototype.getGrid = function(z, x, y, callback) {
     if (typeof callback !== 'function') callback = noop;
 
     var that = this;