diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 7e1cf26..8dfd6f2 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -80,7 +80,8 @@
 	NTLMv2,			/* Legacy NTLM auth with NTLMv2 hash */
 	RawNTLMSSP,		/* NTLMSSP without SPNEGO */
 	NTLMSSP,		/* NTLMSSP via SPNEGO */
-	Kerberos		/* Kerberos via SPNEGO */
+	Kerberos,		/* Kerberos via SPNEGO */
+	MSKerberos,		/* MS Kerberos via SPNEGO */
 };
 
 enum protocolEnum {