diff --git a/s1ap_reiniger.py b/s1ap_reiniger.py
index 89c3d20..1c21f26 100755
--- a/s1ap_reiniger.py
+++ b/s1ap_reiniger.py
@@ -27,7 +27,7 @@ from pycrate_asn1dir import S1AP
 from pycrate_mobile import NAS
 
 def handle_nas_pdu(pdu, dl, regen = False):
-	log.debug("Processing %s NAS PDU: %s" % ("Downlink" if dl else "Uplink", pdu.encode('hex')))
+	log.debug("Processing %s NAS PDU: %s" % ("Downlink" if dl else "Uplink", pdu.hex()))
 	(msg, code) = NAS.parse_NASLTE_MT(pdu) if dl else NAS.parse_NASLTE_MO(pdu)
 	if code:
 		log.error("Failed to parse NAS payload")
@@ -54,7 +54,7 @@ def handle_s1ap_imsi(imsi):
 	return '\x29\x26\x24' + '\x00' * 5
 
 def handle_s1ap_tmsi(tmsi):
-	log.info("Cleaning TMSI: %s" % tmsi.encode('hex'))
+	log.info("Cleaning TMSI: %s" % tmsi.hex())
 	return tmsi # NOTE: for now, keep TMSI unchanged
 
 def handle_s1ap_imeisv(imeisv):