diff --git a/acme.sh b/acme.sh
index d57aacc..ad70066 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1733,7 +1733,7 @@ _send_signed_request() {
     nonce="$_CACHED_NONCE"
     _debug2 nonce "$nonce"
 
-    protected="$JWK_HEADERPLACE_PART1$nonce$JWK_HEADERPLACE_PART2"
+    protected="$JWK_HEADERPLACE_PART1$nonce\", \"url\": \"${url}$JWK_HEADERPLACE_PART2"
     _debug3 protected "$protected"
 
     protected64="$(printf "%s" "$protected" | _base64 | _url_replace)"