diff --git a/msg.h b/msg.h
index 1880d1f..c28dd0b 100644
--- a/msg.h
+++ b/msg.h
@@ -148,6 +148,10 @@ struct management_msg {
 	uint8_t             suffix[0];
 } PACKED;
 
+struct message_data {
+	uint8_t buffer[1500];
+} PACKED;
+
 struct ptp_message {
 	union {
 		struct ptp_header          header;
@@ -161,6 +165,7 @@ struct ptp_message {
 		struct pdelay_resp_fup_msg pdelay_resp_fup;
 		struct signaling_msg       signaling;
 		struct management_msg      management;
+		struct message_data        data;
 	} PACKED;
 	/**/
 	int tail_room;
diff --git a/port.c b/port.c
index 223f627..989a3b3 100644
--- a/port.c
+++ b/port.c
@@ -1283,7 +1283,7 @@ enum fsm_event port_event(struct port *p, int fd_index)
 
 	msg->hwts.type = p->timestamping;
 
-	cnt = transport_recv(p->trp, fd, msg, sizeof(*msg), &msg->hwts);
+	cnt = transport_recv(p->trp, fd, msg, sizeof(msg->data), &msg->hwts);
 	if (cnt <= 0) {
 		pr_err("port %hu: recv message failed", portnum(p));
 		msg_put(msg);