diff --git a/arch/arm/src/stm32/chip/stm32_can.h b/arch/arm/src/stm32/chip/stm32_can.h
index ba3042309fa..d64332d1d93 100644
--- a/arch/arm/src/stm32/chip/stm32_can.h
+++ b/arch/arm/src/stm32/chip/stm32_can.h
@@ -136,7 +136,7 @@
  *  ...
  */
 
-#define STM32_CAN_FR_OFFSET(f,i) (0x240+((f)<<3)+(((i)-1)<<2))
+#define STM32_CAN_FIR_OFFSET(f,i) (0x240+((f)<<3)+(((i)-1)<<2))
 
 /* Register Addresses ***************************************************************/