diff --git a/firmware/hw_layer/stm32f4/mpu_util.cpp b/firmware/hw_layer/stm32f4/mpu_util.cpp
index 08aee52649..eca12acc1f 100644
--- a/firmware/hw_layer/stm32f4/mpu_util.cpp
+++ b/firmware/hw_layer/stm32f4/mpu_util.cpp
@@ -342,27 +342,27 @@ BOR_Level_t BOR_Get(void) {
 }
 
 BOR_Result_t BOR_Set(BOR_Level_t BORValue) {
-//	if (BOR_Get() == BORValue) {
-//		return BOR_Result_Ok;
-//	}
+	if (BOR_Get() == BORValue) {
+		return BOR_Result_Ok;
+	}
 
 
-//	FLASH_OBProgramInitTypeDef FLASH_Handle;
-//
-//	FLASH_Handle.BORLevel = (uint32_t)BORValue;
-//	FLASH_Handle.OptionType = OPTIONBYTE_BOR;
-//
-//	HAL_FLASH_OB_Unlock();
-//
-//	HAL_FLASHEx_OBProgram(&FLASH_Handle);
-//
-//	HAL_StatusTypeDef status = HAL_FLASH_OB_Launch();
-//
-//	HAL_FLASH_OB_Lock();
-//
-//	if (status != HAL_OK) {
-//		return BOR_Result_Error;
-//	}
+	FLASH_OBProgramInitTypeDef FLASH_Handle;
+
+	FLASH_Handle.BORLevel = (uint32_t)BORValue;
+	FLASH_Handle.OptionType = OPTIONBYTE_BOR;
+
+	HAL_FLASH_OB_Unlock();
+
+	HAL_FLASHEx_OBProgram(&FLASH_Handle);
+
+	HAL_StatusTypeDef status = HAL_FLASH_OB_Launch();
+
+	HAL_FLASH_OB_Lock();
+
+	if (status != HAL_OK) {
+		return BOR_Result_Error;
+	}
 
 	return BOR_Result_Ok;
 }