diff --git a/firmware/config/boards/proteus/board.mk b/firmware/config/boards/proteus/board.mk
index 3469df9d35..b7ef740548 100644
--- a/firmware/config/boards/proteus/board.mk
+++ b/firmware/config/boards/proteus/board.mk
@@ -32,6 +32,12 @@ ifeq ($(PROJECT_CPU),ARCH_STM32F4)
 	DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=Gpio::D5 -DEFI_CONSOLE_RX_BRAIN_PIN=Gpio::D6
 endif
 
+DDEFS += -DOPENBLT_CAND=CAND1
+DDEFS += -DOPENBLT_CAN_RX_PORT=GPIOD
+DDEFS += -DOPENBLT_CAN_RX_PIN=0
+DDEFS += -DOPENBLT_CAN_TX_PORT=GPIOD
+DDEFS += -DOPENBLT_CAN_TX_PIN=1
+
 # We are running on Proteus hardware!
 DDEFS += -DHW_PROTEUS=1