diff --git a/board/st/common/cmd_stboard.c b/board/st/common/cmd_stboard.c
index b9d0abdba7d..d77046499a0 100644
--- a/board/st/common/cmd_stboard.c
+++ b/board/st/common/cmd_stboard.c
@@ -51,6 +51,7 @@ static bool check_stboard(u16 board)
 		0x1605, /* stm32mp25xx-dk */
 		0x1635,
 		0x1936, /* stm32mp25xx-ev1 */
+		0x2059, /* stm32mp21xx-dk */
 	};
 
 	for (i = 0; i < ARRAY_SIZE(st_board_id); i++)