diff --git a/lnbits/extensions/copilot/lnurl.py b/lnbits/extensions/copilot/lnurl.py
index 50def316..d4b72c9d 100644
--- a/lnbits/extensions/copilot/lnurl.py
+++ b/lnbits/extensions/copilot/lnurl.py
@@ -68,7 +68,7 @@ async def lnurl_callback(cp_id):
         amount=int(amount_received / 1000),
         memo=cp.lnurl_title,
         webhook="/copilot/api/v1/copilot/hook/" + cp_id + "/" + str(amount_received),
-        description_hash=hashlib.sha256((cp.lnurl_title).encode("utf-8")).digest(),
+        description_hash=hashlib.sha256((str(cp.lnurl_title)).encode("utf-8")).digest(),
         extra={"tag": "copilot", "comment": comment},
     )