diff --git a/resources/definitions/uni_base.def.json b/resources/definitions/uni_base.def.json
index a139c10d3e..89e76c6dcf 100644
--- a/resources/definitions/uni_base.def.json
+++ b/resources/definitions/uni_base.def.json
@@ -128,7 +128,7 @@
     },
     "overrides": {
         "machine_name":                      {"default_value": "UNI Base Printer"},
-        "machine_start_gcode":               {"default_value": ";Sliced at: {day} {date} {time}\nG21\nG90\nM82\nM107\nM220 S100\nM221 S100\nM140 S{material_bed_temperature}\nG28\nG1 Z15 F600\nM190 S{material_bed_temperature}\nM109 S{material_print_temperature}\n;T0 ;Switch to Extruder 1\nG92 E0\nG1 F600 E4\nG1 F4800 X10 Y3 Z0.2 E6\nG1 F300 X15 E8\nG1 F4800 X20\nM117 Printing...\n;\n"},
+        "machine_start_gcode":               {"default_value": ";Sliced at: {day} {date} {time}\nG21\nG90\nM82\nM220 S100\nM221 S100\nG28\nM190 S{material_bed_temperature}\nM109 S{material_print_temperature}\nG1 F600 Z15\nG92 E0\nG1 F300 E10\nM117 Printing...\n;\n"},
         "machine_end_gcode":                 {"default_value": "G91\nG1 E-1 F600\nG1 Z+1 E-3 X-20 Y-20 F4800\nM104 S0\nM106 S0\nM140 S0\nM220 S100\nM221 S100\nG28\nG90\nM84\n;\n"},
         "machine_heated_bed":                {"default_value": true},
         "material_diameter":                 {"default_value": 1.75},