diff --git a/Core/Src/stm32_lpm_if.c b/Core/Src/stm32_lpm_if.c
index 6f479a2..66049c4 100644
--- a/Core/Src/stm32_lpm_if.c
+++ b/Core/Src/stm32_lpm_if.c
@@ -82,7 +82,7 @@ void PWR_EnterOffMode(void)
 {
   /* USER CODE BEGIN EnterOffMode_1 */
 	HAL_SuspendTick();
-
+	  WkupPin1_Config();
 	  /* Enable WakeUp Pin PWR_WAKEUP_PIN1 connected to PA0 */
 	  HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1_LOW);