diff --git a/config/printer-twotrees-sapphire-plus-2020.cfg b/config/printer-twotrees-sapphire-plus-2020.cfg
index 9193ab56..5e06d870 100644
--- a/config/printer-twotrees-sapphire-plus-2020.cfg
+++ b/config/printer-twotrees-sapphire-plus-2020.cfg
@@ -21,7 +21,7 @@ step_pin: PE3
 dir_pin: !PE2
 enable_pin: !PE4
 microsteps: 16
-rotation_distance: 32
+rotation_distance: 40
 endstop_pin: !PA15
 position_endstop: 0
 position_max: 300
@@ -32,7 +32,7 @@ step_pin: PE0
 dir_pin: !PB9
 enable_pin: !PE1
 microsteps: 16
-rotation_distance: 32
+rotation_distance: 40
 endstop_pin: !PA12
 position_endstop: 300
 position_max: 300
@@ -61,7 +61,8 @@ step_pin: PD6
 dir_pin: !PD3
 enable_pin: !PB3
 microsteps: 16
-rotation_distance: 6.720
+gear_ratio: 50:17
+rotation_distance: 23.52
 nozzle_diameter: 0.400
 filament_diameter: 1.750
 heater_pin: PC3