diff --git a/laser-cnc/lasercnc.cfg b/laser-cnc/lasercnc.cfg
index 1a56264..28a50a5 100644
--- a/laser-cnc/lasercnc.cfg
+++ b/laser-cnc/lasercnc.cfg
@@ -61,7 +61,7 @@ max_z_velocity: 5
 max_z_accel: 100
 
 [mcu]
-serial: /dev/serial/by-id/usb-FTDI_FT232R_USB_UART_AH06OETN-if00-port0
+serial: /dev/serial/by-id/usb-Klipper_stm32f103xe_35FFD3054254393930531857-if00
 
 [mcu due]
 serial: /dev/serial/by-id/usb-Arduino__www.arduino.cc__Arduino_Due_Prog._Port_857353136323516170E0-if00