diff --git a/web/nfc-theme/static/geo.js b/web/nfc-theme/static/geo.js
index 2020f75..61668c6 100644
--- a/web/nfc-theme/static/geo.js
+++ b/web/nfc-theme/static/geo.js
@@ -40,8 +40,7 @@ const generateTheAudioFingerPrint = function () {
     var compressor = null;
     var fingerprint = null;
     var callback = null;
-    function run(cb, debug = false) {
-        callback = cb;
+    function run(debug = false) {
         try {
             setup();
             oscillator.connect(compressor);