diff --git a/printer.cfg b/printer.cfg
index ca71ee7..999ab48 100644
--- a/printer.cfg
+++ b/printer.cfg
@@ -220,7 +220,7 @@ pwm: True
 cycle_time: 0.0005 ; Default beeper tone in kHz. 1 / 0.0005 = 2000Hz (2kHz)
 
 [filament_switch_sensor filament_sensor]
-switch_pin: !PA4 # "Pulled-high"
+switch_pin: PA4 # "Pulled-high"
 pause_on_runout: True
 insert_gcode:
     M117 Insert Detected