diff --git a/cfgs/misc-macros.cfg b/cfgs/misc-macros.cfg
index bb90578..c5f0aa5 100644
--- a/cfgs/misc-macros.cfg
+++ b/cfgs/misc-macros.cfg
@@ -135,7 +135,7 @@ gcode:
         {% set startY = printer.configfile.settings.safe_z_home.home_xy_position[1]|float %}
     {% endif %}
 
-    {% set bedtempAlmost = (bedtemp - 2, 0)|max %}
+    {% set bedtempAlmost = ((bedtemp - 2, printer.heater_bed.temperature|int)|max, bedtemp)|min %}
     {% set hotendtempStepOne = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 150)|max %}
     {% set hotendtempStepTwo = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 170)|max %}
 
diff --git a/printer.cfg b/printer.cfg
index c446315..1f1c867 100644
--- a/printer.cfg
+++ b/printer.cfg
@@ -15,7 +15,7 @@
 
 [mcu]
 # NOTE Obtain definition by "ls -l /dev/serial/by-id/"
-serial: /dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0
+serial: /dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0-port0
 restart_method: command
 
 [printer]