diff --git a/kdc/misc.c b/kdc/misc.c
index f9b34571a..1b2c44000 100644
--- a/kdc/misc.c
+++ b/kdc/misc.c
@@ -40,7 +40,7 @@ _kdc_db_fetch(krb5_context context,
 	      krb5_kdc_configuration *config,
 	      krb5_const_principal principal,
 	      unsigned flags,
-	      krb5int32 *kvno_ptr,
+	      krb5uint32 *kvno_ptr,
 	      HDB **db,
 	      hdb_entry_ex **h)
 {
diff --git a/lib/asn1/krb5.asn1 b/lib/asn1/krb5.asn1
index 02fab7a3a..568fe0cd0 100644
--- a/lib/asn1/krb5.asn1
+++ b/lib/asn1/krb5.asn1
@@ -361,7 +361,7 @@ LastReq ::= SEQUENCE OF SEQUENCE {
 
 EncryptedData ::= SEQUENCE {
 	etype[0] 		ENCTYPE, -- EncryptionType
-	kvno[1]			krb5int32 OPTIONAL,
+	kvno[1]			krb5uint32 OPTIONAL,
 	cipher[2]		OCTET STRING -- ciphertext
 }