diff --git a/access_control_python/main.py b/access_control_python/main.py
index 810eb84..88e899f 100644
--- a/access_control_python/main.py
+++ b/access_control_python/main.py
@@ -6,7 +6,7 @@ from access_control_mqtt import access_control
 from database import Database, Student, Parent
 from display import Display
 
-SERIAL_PORT_DISPLAY = "COM11"
+SERIAL_PORT_DISPLAY = "/dev/serial0"
 CAMERA_INDEX = 0
 
 cam = cv2.VideoCapture(CAMERA_INDEX)