diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index eb2804ac5075..12a50e5a9f45 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4134,7 +4134,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,
 		return 0;
 	}
 
-	if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2) {
+	if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2 &&
+	    chan->state != BT_CONNECTED) {
 		cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
 				       chan->dcid);
 		goto unlock;