diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 78418f38464a..084adea6a818 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -710,6 +710,10 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 	node = NULL;
 	if (addr->sq_node == QRTR_NODE_BCAST) {
 		enqueue_fn = qrtr_bcast_enqueue;
+		if (addr->sq_port != QRTR_PORT_CTRL) {
+			release_sock(sk);
+			return -ENOTCONN;
+		}
 	} else if (addr->sq_node == ipc->us.sq_node) {
 		enqueue_fn = qrtr_local_enqueue;
 	} else {