diff --git a/source/Ox.UI/js/List/List.js b/source/Ox.UI/js/List/List.js
index e181c5e3..4e208f80 100644
--- a/source/Ox.UI/js/List/List.js
+++ b/source/Ox.UI/js/List/List.js
@@ -94,6 +94,7 @@ Ox.List = function(options, self) {
                             // FIXME: duplicated
                             self.options.items = Ox.api(self.options.items, {
                                 cache: true,
+                                map: self.options.map,
                                 sort: self.options.sort,
                                 sums: self.options.sums,
                                 unique: self.options.unique
@@ -129,6 +130,7 @@ Ox.List = function(options, self) {
     if (Ox.isArray(self.options.items) && !self.options._tree) {
         self.options.items = Ox.api(self.options.items, {
             cache: true,
+            map: self.options.map,
             sort: self.options.sort,
             sums: self.options.sums,
             unique: self.options.unique