diff --git a/source/UI/js/List/List.js b/source/UI/js/List/List.js
index b5421c02..0c0f9bb1 100644
--- a/source/UI/js/List/List.js
+++ b/source/UI/js/List/List.js
@@ -624,7 +624,7 @@ Ox.List = function(options, self) {
     }
 
     function getPageByPosition(pos) {
-        return Math.floor(pos / self.options.pageLength);
+        return Math.floor(pos / self.pageLength);
     }
 
     function getPageByScrollPosition(pos) {