diff --git a/source/Ox.UI/js/List/Ox.TreeList.js b/source/Ox.UI/js/List/Ox.TreeList.js
index dde2ffa0..d59cb85b 100644
--- a/source/Ox.UI/js/List/Ox.TreeList.js
+++ b/source/Ox.UI/js/List/Ox.TreeList.js
@@ -160,9 +160,13 @@ Ox.TreeList = function(options, self) {
         if (type == 'array' || type == 'object') {
             ret.title += Ox.toTitleCase(type)
                 + ' <span class="OxLight">[' + Ox.len(value) + ']</span>';
-            ret.items = Ox.sort(Ox.map(value, function(v, k) {
-                return parseData(k, v);
-            }));
+            ret.items = Ox.sort(
+                type == 'array' ? value.map(function(v, i) {
+                    return parseData(i, v);
+                }) : Object.keys(value).map(function(k) {
+                    return parseData(k, value[k]);
+                })
+            );
         } else {
             ret.title += (
                 type == 'function'