diff --git a/web/skins/classic/views/js/event.js b/web/skins/classic/views/js/event.js
index 083266fcc..1ef4095f6 100644
--- a/web/skins/classic/views/js/event.js
+++ b/web/skins/classic/views/js/event.js
@@ -798,7 +798,7 @@ function updateProgressBar() {
   if (!(eventData && streamStatus)) {
     return;
   } // end if ! eventData && streamStatus
-  const curWidth = (streamStatus.progress / parseFloat(eventData.Length)) * 100;
+  let curWidth = (streamStatus.progress / parseFloat(eventData.Length)) * 100;
   if (curWidth > 100) curWidth = 100;
 
   const progressDate = new Date(eventData.StartDateTime);