diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 3528ff4f9..ef970feae 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -742,6 +742,7 @@ enum {
 typedef krb5_error_code (*krb5_send_to_kdc_func)(krb5_context,
 						 void *,
 						 krb5_krbhst_info *,
+						 time_t,
 						 const krb5_data *,
 						 krb5_data *);