--- libaitmqtt/src/conn.c	2022/09/14 18:36:23	1.3.12.4
+++ libaitmqtt/src/conn.c	2022/09/15 21:06:05	1.3.12.5
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: conn.c,v 1.3.12.4 2022/09/14 18:36:23 misho Exp $
+* $Id: conn.c,v 1.3.12.5 2022/09/15 21:06:05 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -229,7 +229,7 @@ mqtt_msgCONNACK(u_char retcode)
 		return NULL;
 	else {
 		hdr = (struct mqtthdr *) msg->msg_base;
-		ack = (mqtthdr_connack_t*) msg->msg_base + sizeof(struct mqtthdr);
+		ack = (mqtthdr_connack_t*) (msg->msg_base + sizeof(struct mqtthdr));
 	}
 
 	/* fixed header */