diff --git a/src/static/js/broadcast_slider.js b/src/static/js/broadcast_slider.js
index 821c92215..08ac08b5a 100644
--- a/src/static/js/broadcast_slider.js
+++ b/src/static/js/broadcast_slider.js
@@ -106,8 +106,8 @@ function loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded)
     function setSliderPosition(newpos)
     {
       newpos = Number(newpos);
-      window.location.hash = "#" + newpos;
       if (newpos < 0 || newpos > sliderLength) return;
+      window.location.hash = "#" + newpos;
       $("#ui-slider-handle").css('left', newpos * ($("#ui-slider-bar").width() - 2) / (sliderLength * 1.0));
       $("a.tlink").map(function()
       {