diff --git a/resources/definitions/rigid3d_zero2.def.json b/resources/definitions/rigid3d_zero2.def.json
index 41cd2c18db..6b42e2e29f 100644
--- a/resources/definitions/rigid3d_zero2.def.json
+++ b/resources/definitions/rigid3d_zero2.def.json
@@ -121,7 +121,7 @@
             "default_value": "grid"
         },        
         "machine_start_gcode": {
-            "default_value": "G21\nG28 ; Home extruder\nM107 ; Turn off fan\nG91 ; Relative positioning\nG1 Z5 F180;\nG1 X100 Y100 F3000;\nG1 Z-5 F180;\nG90 ; Absolute positioning\nM82 ; Extruder in absolute mode\nG92 E0 ; Reset extruder position\n"
+            "default_value": "G21\nG28 ; Home extruder\nM420 S1 ; Enable MBL\nM107 ; Turn off fan\nG91 ; Relative positioning\nG1 Z5 F180;\nG1 X30 Y30 F3000;\nG1 Z-5 F180;\nG90 ; Absolute positioning\nM82 ; Extruder in absolute mode\nG92 E0 ; Reset extruder position\n"
         },
         "machine_end_gcode": {
             "default_value": "G1 X0 Y180 ; Get extruder out of way.\nM107 ; Turn off fan\nG91 ; Relative positioning\nG0 Z20 ; Lift extruder up\nT0\nG1 E-1 ; Reduce filament pressure\nM104 T0 S0 ; Turn extruder heater off\nG90 ; Absolute positioning\nG92 E0 ; Reset extruder position\nM140 S0 ; Disable heated bed\nM84 ; Turn steppers off\n"