diff --git a/src/stm32/fdcan.c b/src/stm32/fdcan.c
index 25a334af2..39c11d99b 100644
--- a/src/stm32/fdcan.c
+++ b/src/stm32/fdcan.c
@@ -56,7 +56,7 @@
  #define GPIO_Rx GPIO('B', 12)
  #define GPIO_Tx GPIO('B', 13)
 #elif CONFIG_STM32_CANBUS_PH13_PH14
- DECL_CONSTANT_STR("RESERVE_PINS_CAN", "PH13,PH14");
+ DECL_CONSTANT_STR("RESERVE_PINS_CAN", "PH14,PH13");
  #define GPIO_Rx GPIO('H', 14)
  #define GPIO_Tx GPIO('H', 13)
 #endif