diff --git a/pypykatz/pypykatz.py b/pypykatz/pypykatz.py
index 41eb38e..cc1f83e 100644
--- a/pypykatz/pypykatz.py
+++ b/pypykatz/pypykatz.py
@@ -22,6 +22,7 @@
 from pypykatz.commons.common import UniversalEncoder
 from minidump.minidumpfile import MinidumpFile
 from minikerberos.common.ccache import CCACHE
+from minikerberos.common.kirbi import Kirbi
 from pypykatz._version import __version__
 
 class pypykatz:
@@ -325,7 +326,7 @@ def get_kerberos(self, with_tickets = True):
 		for cred in dec.credentials:
 			for ticket in cred.tickets:
 				for fn in ticket.kirbi_data:
-					self.kerberos_ccache.add_kirbi(ticket.kirbi_data[fn].native)
+					self.kerberos_ccache.add_kirbi(Kirbi(ticket.kirbi_data[fn]))
 			
 			if cred.luid in self.logon_sessions:
 				self.logon_sessions[cred.luid].kerberos_creds.append(cred)