diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index 4db458378d..c9c2cb0ec8 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -255,6 +255,8 @@ AP_HW_MICOAIR405                     1139
 AP_HW_PixPilot-C3                    1140
 AP_HW_YJUAV_A6SE_H743                1141
 AP_HW_FSO_POWER_STACK                1142
+AP_HW_ATOMRCF405NAVI_DLX             1143
+
 
 AP_HW_ESP32_PERIPH                   1205
 AP_HW_ESP32S3_PERIPH                 1206