diff --git a/libraries/AP_HAL_ChibiOS/hwdef/FoxeerH743v1/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/FoxeerH743v1/hwdef.dat
index db9ea7f579..91c2b30506 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/FoxeerH743v1/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/FoxeerH743v1/hwdef.dat
@@ -77,20 +77,20 @@ define DEFAULT_SERIAL3_PROTOCOL SerialProtocol_None
 # UART4 (DJI RX/SBUS)
 PA0 UART4_TX UART4 NODMA
 PA1 UART4_RX UART4
-define DEFAULT_SERIAL4_PROTOCOL SerialProtocol_RCIN
+define DEFAULT_SERIAL4_PROTOCOL SerialProtocol_None
 
 # USART6 (GPS)
 PC6 USART6_TX USART6
 PC7 USART6_RX USART6
-define HAL_SERIAL6_PROTOCOL SerialProtocol_GPS
-define HAL_SERIAL6_BAUD 115
+define DEFAULT_SERIAL6_PROTOCOL SerialProtocol_GPS
+define DEFAULT_SERIAL6_BAUD 115
 
 
 # UART7 (DJI OSD)
 PE7 UART7_RX UART7
 PE8 UART7_TX UART7
-define HAL_SERIAL7_PROTOCOL SerialProtocol_DJI_FPV
-define HAL_SERIAL7_BAUD 115
+define DEFAULT_SERIAL7_PROTOCOL SerialProtocol_DJI_FPV
+define DEFAULT_SERIAL7_BAUD 115
 
 # UART8 (ESC)
 PE0 UART8_RX UART8 NODMA