diff --git a/source/Ox.UI/js/List/List.js b/source/Ox.UI/js/List/List.js
index b2e0be79..95863fc7 100644
--- a/source/Ox.UI/js/List/List.js
+++ b/source/Ox.UI/js/List/List.js
@@ -828,10 +828,7 @@ Ox.List = function(options, self) {
             return;
         }
         Ox.Log('List', that.oxid, 'loadPage', page);
-        var keys = (
-                self.options.keys.indexOf(self.options.unique == -1)
-                ? [self.options.unique] : []
-            ).concat(self.options.keys),
+        var keys = Ox.unique(self.options.keys.concat(self.options.unique)),
             offset = page * self.pageLength,
             range = [offset, offset + getPageLength(page)];
         if (Ox.isUndefined(self.$pages[page])) { // fixme: unload will have made this undefined already