diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 3f21207d59e5..5ffd75e20bde 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -150,6 +150,12 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr,
 	if (!bdaddr_type_is_valid(la.l2_bdaddr_type))
 		return -EINVAL;
 
+	if (chan->src_type == BDADDR_BREDR && la.l2_bdaddr_type != BDADDR_BREDR)
+		return -EINVAL;
+
+	if (chan->src_type != BDADDR_BREDR && la.l2_bdaddr_type == BDADDR_BREDR)
+		return -EINVAL;
+
 	err = l2cap_chan_connect(chan, la.l2_psm, __le16_to_cpu(la.l2_cid),
 				 &la.l2_bdaddr, la.l2_bdaddr_type);
 	if (err)