diff --git a/liteeth/phy/pcs_1000basex.py b/liteeth/phy/pcs_1000basex.py
index 7c369d0..65fc63e 100644
--- a/liteeth/phy/pcs_1000basex.py
+++ b/liteeth/phy/pcs_1000basex.py
@@ -2,6 +2,7 @@
 # This file is part of MiSoC and has been adapted/modified for LiteEth.
 #
 # Copyright (c) 2018-2020 Sebastien Bourdeauducq <sb@m-labs.hk>
+# Copyright (c) 2024 Florent Kermarrec <florent@enjoy-digital.fr>
 # SPDX-License-Identifier: BSD-2-Clause
 
 from math import ceil