diff --git a/index.py b/index.py
index d3dece4..614f9dc 100644
--- a/index.py
+++ b/index.py
@@ -62,7 +62,7 @@ def tlsa_validation(DOMAIN):
             return(False)
 
         if selector == "0":
-            certdata = cert.as_der()
+            certdata = dercert
         elif selector == "1":
             cert = x509.load_pem_x509_certificate(cert, default_backend())
             certdata = cert.public_key().public_bytes(Encoding.DER, PublicFormat.SubjectPublicKeyInfo)
@@ -70,7 +70,7 @@ def tlsa_validation(DOMAIN):
             raise ValueError("selector type %d not recognized" % selector)
 
         if mtype == "0":
-            certdata = dercert
+            hexdata2 = hexdump(certdata)
         elif mtype == "1":
             hexdata2 = compute_hash(hashlib.sha256, certdata)
         elif mtype == "2":