diff --git a/config.g b/config.g
index 86650c0..2388e88 100644
--- a/config.g
+++ b/config.g
@@ -72,7 +72,7 @@ G10 P0 X0 Y0 Z0                                    ; set tool 0 axis offsets
 G10 P0 R0 S0                                       ; set initial tool 0 active and standby temperatures to 0C
 
 ; Filament sensor - Duet3D laser filament monitor
-M591 D0 P5 C"io3.in" R20:150 E15.0 S1               ; Duet3D laser sensor for extruder drive 0, connected to endstop input 4 (E0), tolerance 30 to 125%, 5mm comparison length, enabled filament monitoring
+M591 D0 P5 C"io3.in" R20:150 E5.0 A0 S1               ; Duet3D laser sensor for extruder drive 0, connected to endstop input 4 (E0), tolerance 30 to 125%, 5mm comparison length, enabled filament monitoring
 
 ; Miscellaneous
 M575 P1 S1 B57600                                  ; enable support for PanelDue