diff --git a/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h b/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
index c755c075ba..5e7d80c00d 100644
--- a/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
+++ b/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
@@ -127,7 +127,7 @@
 #define STM32_UART5_BASE     0x40005000     /* 0x40005000-0x400053ff: UART5 */
 #define STM32_I2C1_BASE      0x40005400     /* 0x40005400-0x400057ff: I2C1 */
 #define STM32_I2C2_BASE      0x40005800     /* 0x40005800-0x40005Bff: I2C2 */
-#define STM32_I2C3_BASE      0x40005C00     /* 0x40005c00-0x40005fff: I2C3 */
+#define STM32_I2C3_BASE      0x40005c00     /* 0x40005c00-0x40005fff: I2C3 */
 #define STM32_CAN1_BASE      0x40006400     /* 0x40006400-0x400067ff: bxCAN1 */
 #define STM32_CAN2_BASE      0x40006800     /* 0x40006800-0x40006bff: bxCAN2 */
 #define STM32_PWR_BASE       0x40007000     /* 0x40007000-0x400073ff: Power control PWR */