diff --git a/access_control_python/main.py b/access_control_python/main.py
index c2c5f48..4544d7b 100644
--- a/access_control_python/main.py
+++ b/access_control_python/main.py
@@ -70,7 +70,7 @@ def door_open():
         #display.set_page("scan")
 
 
-SD = stm32_distance("COM13")
+SD = stm32_distance("/dev/serial/by-id/usb-STMicroelectronics_STM32_STLink_066DFF505282494867205639-if02")
 #start_time = time.perf_counter()
 
 flag: bool = False