diff --git a/source/Ox.UI/js/Video/LargeVideoTimeline.js b/source/Ox.UI/js/Video/LargeVideoTimeline.js
index 0d1df8fd..7b9cedb2 100644
--- a/source/Ox.UI/js/Video/LargeVideoTimeline.js
+++ b/source/Ox.UI/js/Video/LargeVideoTimeline.js
@@ -96,7 +96,9 @@ Ox.LargeVideoTimeline = function(options, self) {
     }
 
     setTimeout(function() {
-        var chapters = self.options.chapters.slice(1);
+        var chapters = self.options.chapters.slice(1).map(function(chapter) {
+            return chapter.position;
+        });
         Ox.unique(chapters.concat(self.options.cuts)).forEach(function(v, i) {
             self.$cuts[i] = $('<img>')
                 .addClass(Ox.contains(chapters, v) ? 'OxChapter' : 'OxCut')