diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index d9418b569b..acd577c390 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -190,6 +190,7 @@ AP_HW_JFB100                         1084
 AP_HW_C_RTK2_HP                      1085
 AP_HW_JUMPER_XIAKE800                1086
 AP_HW_Sierra_F1                      1087
+AP_HW_HolybroCompass                 1088
 
 AP_HW_CUBEORANGE_PERIPH              1400
 AP_HW_CUBEBLACK_PERIPH               1401