diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index e057270923..e44428e5eb 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -177,6 +177,7 @@ AP_HW_REAPERF745_V2                  1074
 AP_HW_SKYSTARSH7HD                   1075
 AP_HW_PixSurveyA1                    1076
 AP_HW_AEROFOX_AIRSPEED               1077
+AP_HW_ATOMRCF405                     1078
 
 AP_HW_CUBEORANGE_PERIPH              1400
 AP_HW_CUBEBLACK_PERIPH               1401