diff --git a/source/Ox/js/Array.js b/source/Ox/js/Array.js
index e3876d2b..44b32a19 100644
--- a/source/Ox/js/Array.js
+++ b/source/Ox/js/Array.js
@@ -224,12 +224,12 @@ Ox.api = function(items, options) {
                         east: data.area.ne.lng
                     };
                     */
-                    data.area = items.length == 0 ? {
+                    data.area = data.items.length == 0 ? {
                         south: -Ox.MAX_LATITUDE,
                         west: -180,
                         north: Ox.MAX_LATITUDE,
                         east: 180
-                    } : items.reduce(function(prev, curr) {
+                    } : data.items.reduce(function(prev, curr) {
                         return {
                             south: Ox.min(prev.south, curr.south),
                             west: Ox.min(prev.west, curr.west),