diff --git a/static/js/app.js b/static/js/app.js
index 032d52b..85b1b5e 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -152,7 +152,7 @@ var behaviors = {
 				loadedmetadata: function() {
 					console.log($("#player").data("jPlayer").status.duration)
 					
-					$(".player-slider").data("slider-max", parseInt($("#player").data("jPlayer").status.duration+1)).slider()
+					$(".player-slider").attr("data-slider-max", parseInt($("#player").data("jPlayer").status.duration+1)).slider()
 					
 				}
 			})