diff --git a/source/Ox.UI/js/Video/Ox.VideoTimelinePlayer.js b/source/Ox.UI/js/Video/Ox.VideoTimelinePlayer.js
index 585df7ed..46e3dafc 100644
--- a/source/Ox.UI/js/Video/Ox.VideoTimelinePlayer.js
+++ b/source/Ox.UI/js/Video/Ox.VideoTimelinePlayer.js
@@ -405,7 +405,7 @@ Ox.VideoTimelinePlayer = function(options, self) {
         );
         return !scrollbarIsVisible && lines * (
                 self.tileHeight + self.margin
-            ) + self.margin > self.options.height ? getLines(true) : lines;
+            ) + self.margin > self.contentHeight ? getLines(true) : lines;
     }
 
     function getPosition(e) {