diff --git a/src/measurer.py b/src/measurer.py
index 71dc1d2..d530ecd 100644
--- a/src/measurer.py
+++ b/src/measurer.py
@@ -7,6 +7,7 @@ DELAY_SECONDS = 1
 
 
 sensor = VL53L1XSensor()
+sensor.open()
 
 while True:
     sensor.setDirection(Directions.INSIDE)