diff --git a/app/webutil.js b/app/webutil.js
index 6011442c..6a9349a0 100644
--- a/app/webutil.js
+++ b/app/webutil.js
@@ -36,6 +36,7 @@ export function getQueryVar(name, defVal) {
     if (typeof defVal === 'undefined') { defVal = null; }
 
     if (match) {
+        history.replaceState(null, "", window.location.pathname.slice(1, 1));
         return decodeURIComponent(match[1]);
     }