diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp index 36a3ad693..c698a9694 100644 --- a/Marlin/Marlin_main.cpp +++ b/Marlin/Marlin_main.cpp @@ -1751,7 +1751,9 @@ static void setup_for_endstop_move() { void raise_z_for_servo() { float zpos = current_position[Z_AXIS], z_dest = Z_RAISE_BEFORE_PROBING; - z_dest += axis_known_position[Z_AXIS] ? zprobe_zoffset : zpos; + // The zprobe_zoffset is negative any switch below the nozzle, so + // multiply by Z_HOME_DIR (-1) to move enough away from bed for the probe + z_dest += axis_known_position[Z_AXIS] ? zprobe_zoffset * Z_HOME_DIR : zpos; if (zpos < z_dest) do_blocking_move_to_z(z_dest); // also updates current_position }