diff --git a/resources/definitions/vertex_k8400.def.json b/resources/definitions/vertex_k8400.def.json
index dad50cffe8..c528ef82fc 100644
--- a/resources/definitions/vertex_k8400.def.json
+++ b/resources/definitions/vertex_k8400.def.json
@@ -58,10 +58,10 @@
             "default_value": "RepRap (Marlin/Sprinter)"
         },
         "machine_start_gcode": {
-            "default_value": "G21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG28 X0 Y0 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstops\nG1 Z15.0 F9000 ;move the platform down 15mm\nG92 E0 ;zero the extruded length\nG1 F200 E3 ;extrude 3mm of feed stock\nG92 E0 ;zero the extruded length again\nG1 F9000\n;Put printing message on LCD screen\nM117 Printing..."
+            "default_value": "M104 T0 S{material_print_temperature_layer_0}\nG28 ;Home extruder\nG90 ;Absolute positioning\nM82 ;Extruder in absolute mode\nG1 Z1 F100\nG92 E0 ;Reset extruder position\nM109 T0 S{material_print_temperature_layer_0}\nG1 E20 F100\nG92 E0 ;Reset extruder position"
         },
         "machine_end_gcode": {
-            "default_value": "M104 S0 ;extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG91 ;relative positioning\nG1 E-1 F300  ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+0.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more\nG28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning"
+            "default_value": "G1 X0 Y0 Z130 ;Get extruder out of way\nM107 ;Turn off fan\n;Disable all extruders\nG91 ;Relative positioning\nT0\nG1 E-1 ;Reduce filament pressure\nM104 T0 S0\nG90 ;Absolute positioning\nG92 E0 ;Reset extruder position\nM140 S0 ;Disable heated bed\nM84 ;Turn steppers off"
         }
     }
 }
\ No newline at end of file