diff --git a/lnbits/extensions/copilot/lnurl.py b/lnbits/extensions/copilot/lnurl.py
index cee98613b..b815cb90c 100644
--- a/lnbits/extensions/copilot/lnurl.py
+++ b/lnbits/extensions/copilot/lnurl.py
@@ -66,7 +66,7 @@ async def lnurl_callback(cp_id):
         wallet_id=cp.wallet,
         amount=int(amount_received / 1000),
         memo=cp.lnurl_title,
-        webhook="/copilot/api/v1/copilot/hook/" + cp_id + "/" + amount_received,
+        webhook="/copilot/api/v1/copilot/hook/" + cp_id + "/" + str(amount_received),
         description_hash=hashlib.sha256((cp.lnurl_title).encode("utf-8")).digest(),
         extra={"tag": "copilot", "comment": comment},
     )