diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 683a16f..ae6977f 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -318,10 +318,11 @@ MBTiles.prototype.getInfo = function(callback) {
     function ensureCenter(info, callback) {
         if ('center' in info) return callback(null, info);
         if (!('bounds' in info) || !('minzoom' in info) || !('maxzoom' in info)) return callback(null, info);
+        var range = info.maxzoom - info.minzoom;
         info.center = [
             (info.bounds[2] - info.bounds[0]) / 2 + info.bounds[0],
             (info.bounds[3] - info.bounds[1]) / 2 + info.bounds[1],
-            Math.floor((info.maxzoom-info.minzoom)*0.5) + info.minzoom
+            range <= 1 ? info.maxzoom : Math.floor(range * 0.5) + info.minzoom
         ];
         return callback(null, info);
     };