diff --git a/lnbits/extensions/cashu/static/js/dhke.js b/lnbits/extensions/cashu/static/js/dhke.js
index c9e2d146e..7b3abd809 100644
--- a/lnbits/extensions/cashu/static/js/dhke.js
+++ b/lnbits/extensions/cashu/static/js/dhke.js
@@ -20,6 +20,8 @@ async function hashToCurve(secretMessage) {
 }
 
 async function step1Bob(secretMessage) {
+  secretMessage = nobleSecp256k1.utils.bytesToHex(secretMessage)
+  secretMessage = new TextEncoder().encode(secretMessage);
   const Y = await hashToCurve(secretMessage)
   const randomBlindingFactor = bytesToNumber(
     nobleSecp256k1.utils.randomPrivateKey()