diff --git a/nuttx-configs/px4fmu-v4pro/include/board.h b/nuttx-configs/px4fmu-v4pro/include/board.h
index 9bb88abd05..2dde9a976f 100644
--- a/nuttx-configs/px4fmu-v4pro/include/board.h
+++ b/nuttx-configs/px4fmu-v4pro/include/board.h
@@ -354,7 +354,7 @@
 #define GPIO_CAN1_TX	GPIO_CAN1_TX_3
 
 #define GPIO_CAN2_RX	GPIO_CAN2_RX_1
-#define GPIO_CAN2_TX	GPIO_CAN2_RX_1
+#define GPIO_CAN2_TX	GPIO_CAN2_TX_1
 
 /*
  * I2C