diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index 12dbca0204aa7..e8d09e30397cc 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -329,6 +329,9 @@ AP_HW_Holybro-UM982-G4               5402
 AP_HW_Holybro-UM960-H7               5403
 AP_HW_Holybro-PERIPH-H7              5404
 
+#IDs 5501-5599 reserved for MATEKSYS
+AP_HW_MATEKH743SE                    5501
+
 # IDs 6000-6099 reserved for SpektreWorks
 
 # IDs 6600-6699 reserved for Eagle Eye Drones