diff --git a/src/router/index.js b/src/router/index.js
index f01fb4ff6..d2a5ee154 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -196,7 +196,7 @@ async function navigate(scenario, currentRoute, optionalQuery = {}, optionalPara
 // Get navigation map depending on the scenario and the current 'page' you're on.
 function getNavigationMap(scenario, currentRoute) {
   const fmgPageValue = currentRoute.query.fmgPage;
-  let matchedQueryValue = routingTable(store)
+  const matchedQueryValue = routingTable(store)
     .filter(
       (item) =>
         item.fmgPageValue === fmgPageValue &&