diff --git a/src/main/jwt_full/jws.nim b/src/main/jwt_full/jws.nim
index f0a144e..7d22f34 100644
--- a/src/main/jwt_full/jws.nim
+++ b/src/main/jwt_full/jws.nim
@@ -83,7 +83,7 @@ proc initJWS*(b64: string): JWS =
     raise newException(ValueError,
       "invalid JWS, expected three parts but only found " & $parts.len)
 
-  debug "Base64url-encoded payload is:\n\t" & parts[1]
+  debug "jwt_full/jws/initJWS: Base64url-encoded payload is:\n\t" & parts[1]
 
   result = JWS(
     payloadB64: parts[1],