diff --git a/kdc/kx509.c b/kdc/kx509.c
index c012fa7e8..8f7f3a27f 100644
--- a/kdc/kx509.c
+++ b/kdc/kx509.c
@@ -207,7 +207,7 @@ build_certificate(krb5_context context,
 	spki.subjectPublicKey.data = key->data;
 	spki.subjectPublicKey.length = key->length * 8;
 
-	ret = der_copy_oid(oid_id_pkcs1_rsaEncryption(),
+	ret = der_copy_oid(&asn1_oid_id_pkcs1_rsaEncryption,
 			   &spki.algorithm.algorithm);
 
 	any.data = "\x05\x00";