diff --git a/boards/cuav/can-gps-v1/uavcan_board_identity b/boards/cuav/can-gps-v1/uavcan_board_identity
index 78ce56022b..a547589079 100644
--- a/boards/cuav/can-gps-v1/uavcan_board_identity
+++ b/boards/cuav/can-gps-v1/uavcan_board_identity
@@ -13,4 +13,6 @@ add_definitions(
 	-DHW_UAVCAN_NAME=${uavcanblid_name}
 	-DHW_VERSION_MAJOR=${uavcanblid_hw_version_major}
 	-DHW_VERSION_MINOR=${uavcanblid_hw_version_minor}
+	-DSUPPORT_ALT_CAN_BOOTLOADER
+
 )