diff --git a/static/js/custom.js b/static/js/custom.js
index 956d38f..eac64d8 100644
--- a/static/js/custom.js
+++ b/static/js/custom.js
@@ -915,11 +915,15 @@ function toggle_failover_route_routespage(routeid, current_state, prefix, route_
             // Get the primary and enabled displays for the prefix:
             for (let i=0; i < route_id_list.length; i++) {
                 console.log("route_id_list["+i+"]: "+route_id_list[i])
-                var route_index = route_id_list[i]+1
+                var route_id = route_id_list[i]
+                var route_index = route_id+1
+
                 // Set the Primary class:
-                var primary_element = document.getElementById(route_id_list[i]+"-primary")
-                var primary_status = routes["routes"][route_index]["isPrimary"]
-                console.log("Setting primary class '"+route_index+"-primary':  "+primary_status)
+                var primary_element = document.getElementById(route_id+"-primary")
+                var primary_status =  routes["routes"][route_index]["isPrimary"]
+
+                console.log("Setting primary class '"+route_id+"-primary':  "+primary_status)
+
                 if (primary_status == true) {
                     console.log("Detected this route is primary.  Setting the class")
                     primary_element.className = enabledClass