diff --git a/kernel/ethosu_mailbox.c b/kernel/ethosu_mailbox.c
index 5b105d8..4f7f5b7 100644
--- a/kernel/ethosu_mailbox.c
+++ b/kernel/ethosu_mailbox.c
@@ -134,15 +134,19 @@
 	return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header));
 }
 
-int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox)
+int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox,
+				   struct ethosu_mailbox_msg *msg)
 {
 	struct ethosu_core_rpmsg rpmsg = {
-		.header        = {
-			.magic = ETHOSU_CORE_MSG_MAGIC,
-			.type  = ETHOSU_CORE_MSG_VERSION_REQ,
+		.header         = {
+			.magic  = ETHOSU_CORE_MSG_MAGIC,
+			.type   = ETHOSU_CORE_MSG_VERSION_REQ,
+			.msg_id = msg->id
 		}
 	};
 
+	msg->type = rpmsg.header.type;
+
 	return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header));
 }