diff --git a/atlas/templates/atlas/collection_viva_case.html b/atlas/templates/atlas/collection_viva_case.html
index 257c1315..70cbbccf 100644
--- a/atlas/templates/atlas/collection_viva_case.html
+++ b/atlas/templates/atlas/collection_viva_case.html
@@ -25,7 +25,7 @@
         document.addEventListener("DOMContentLoaded", function() {
             document.title = "Case: {{current_case.title}}";
             console.log('ready');
-            const bc = new BroadcastChannel("viva_load_channel");
+            let bc = new BroadcastChannel("viva_load_channel");
             bc.onmessage = (event) => {
                 console.log("message received");
                 console.log(event);