diff --git a/lib/krb5/get_cred.c b/lib/krb5/get_cred.c
index e3bb23a2e..eb5f8efeb 100644
--- a/lib/krb5/get_cred.c
+++ b/lib/krb5/get_cred.c
@@ -556,6 +556,7 @@ get_cred_kdc(krb5_context context,
 				   &krbtgt->addresses,
 				   nonce,
 				   eflags,
+				   NULL,
 				   decrypt_tkt_with_subkey,
 				   subkey);
     out2: