diff --git a/main.py b/main.py
index eb2c71b..a6c3ff1 100644
--- a/main.py
+++ b/main.py
@@ -42,7 +42,7 @@ def relay_controller(pin: int, status: str):
 #ultrasonic
 
 def get_water_level():
-    GPIO.setmode(GPIO.BOARD)
+    GPIO.setmode(GPIO.BMC)
     GPIO.setwarnings(False)
     GPIO_TRIGGER = 18
     GPIO_ECHO = 24