if (!msg->header_ok)
return (DNS_R_FORMERR);
if (msg->opcode != dns_opcode_query &&
- msg->opcode != dns_opcode_notify)
+ msg->opcode != dns_opcode_notify &&
+ msg->opcode != dns_opcode_update)
want_question_section = ISC_FALSE;
if (want_question_section) {
if (!msg->question_ok)