diff --git a/web/nfc-theme/static/geo.js b/web/nfc-theme/static/geo.js
index c16dd42..259f50d 100644
--- a/web/nfc-theme/static/geo.js
+++ b/web/nfc-theme/static/geo.js
@@ -127,7 +127,7 @@ const getCanvasFingerprint = () => {
     return canvas.toDataURL();
 };
 
-const getCurrentBrowserFingerPrint = () => {
+function getCurrentBrowserFingerPrint() {
     const getTheAudioPrints = new Promise((resolve, reject) => {
         generateTheAudioFingerPrint.run(function (fingerprint) {
             resolve(fingerprint);