diff --git a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c
index 48e13cd1f..bf6bb9388 100644
--- a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c
+++ b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c
@@ -154,7 +154,7 @@ __IO uint32_t uwTick;
 HAL_StatusTypeDef HAL_Init(void)
 {
   /* Configure Flash prefetch and Instruction cache through ART accelerator */ 
-#if (ART_ACCLERATOR_ENABLE != 0U)
+#if (ART_ACCLERATOR_ENABLE != 0)
    __HAL_FLASH_ART_ENABLE();
 #endif /* ART_ACCLERATOR_ENABLE */