diff --git a/arch/arm/src/stm32/chip/stm32l15xxx_memorymap.h b/arch/arm/src/stm32/chip/stm32l15xxx_memorymap.h
index 0e7c103999..1760ec1400 100644
--- a/arch/arm/src/stm32/chip/stm32l15xxx_memorymap.h
+++ b/arch/arm/src/stm32/chip/stm32l15xxx_memorymap.h
@@ -82,7 +82,7 @@
 #define STM32_TIM2_BASE      0x40000000     /* 0x40000000-0x400003ff TIM2 */
 #define STM32_TIM3_BASE      0x40000400     /* 0x40000400-0x400007ff TIM3 */
 #define STM32_TIM4_BASE      0x40000800     /* 0x40000800-0x40000bff TIM4 */
-#define STM32_TIM5_BASE      0x40000800     /* 0x40000c00-0x40000fff TIM5 */
+#define STM32_TIM5_BASE      0x40000c00     /* 0x40000c00-0x40000fff TIM5 */
 #define STM32_TIM6_BASE      0x40001000     /* 0x40001000-0x400013ff TIM6 */
 #define STM32_TIM7_BASE      0x40001400     /* 0x40001400-0x400017ff TIM7 */
 #define STM32_LCD_BASE       0x40002400     /* 0x40002400-0x400027ff LCD */