diff --git a/stereotech_config/750/kinematics.cfg b/stereotech_config/750/kinematics.cfg
index c8f9cff9cda1..6050871783b1 100644
--- a/stereotech_config/750/kinematics.cfg
+++ b/stereotech_config/750/kinematics.cfg
@@ -36,6 +36,7 @@ dir_pin: manta_mcu:PB4#z_dir_pin
 enable_pin: !manta_mcu:PC11#z_en_pin
 microsteps: 128
 rotation_distance: 4
+gear_ratio: 3:1
 endstop_pin: !z_endstop_pin
 position_endstop: 500
 position_max: 500