diff --git a/Peripheral/Src/buzzer.c b/Peripheral/Src/buzzer.c
index 99e80bc..b9bb26a 100644
--- a/Peripheral/Src/buzzer.c
+++ b/Peripheral/Src/buzzer.c
@@ -11,10 +11,16 @@ inline void BUZZER_Start()
 inline void BUZZER_Stop()
 {
     HAL_GPIO_WritePin(FM_K2_POWERC_GPIO_Port, FM_K2_POWERC_Pin, GPIO_PIN_SET);
+    if (state == 1)
+    {
+        state = 0;
+        TIMER_DelLoopEvent(EVENT_BUZZER);
+    }
 }
 
 void BUZZER_StartTimed(uint8_t time)
 {
+    state = 1;
     BUZZER_Start();
     TIMER_AddLoopEvent(EVENT_BUZZER, BUZZER_Stop, time * 100);
 }