diff --git a/fdts/stm32mp15xx-dkx.dtsi b/fdts/stm32mp15xx-dkx.dtsi
index f8baa9d..d8b7c48 100644
--- a/fdts/stm32mp15xx-dkx.dtsi
+++ b/fdts/stm32mp15xx-dkx.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (c) 2019-2022, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2019-2024, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
@@ -29,7 +29,7 @@
 };
 
 &bsec {
-	board_id: board_id@ec {
+	board_id: board-id@ec {
 		reg = <0xec 0x4>;
 		st,non-secure-otp;
 	};