diff --git a/resources/definitions/anycubic_i3_mega.def.json b/resources/definitions/anycubic_i3_mega.def.json
index 5e35ab1fdd..3c0925a2d5 100644
--- a/resources/definitions/anycubic_i3_mega.def.json
+++ b/resources/definitions/anycubic_i3_mega.def.json
@@ -43,7 +43,7 @@
             "default_value":0
         },
         "machine_gcode_flavor":{
-            "default_value":"RepRap (Marlin/Sprinter)"
+            "default_value":"Marlin"
         },
         "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 F{travel_speed} ;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 F{travel_speed}\nM117 Printing...\nG5"
diff --git a/resources/definitions/tevo_blackwidow.def.json b/resources/definitions/tevo_blackwidow.def.json
index f31bbcff23..f37ed9f24e 100644
--- a/resources/definitions/tevo_blackwidow.def.json
+++ b/resources/definitions/tevo_blackwidow.def.json
@@ -39,7 +39,7 @@
             "default_value": 0
         },
         "machine_gcode_flavor": {
-            "default_value": "RepRap (Marlin/Sprinter)"
+            "default_value": "Marlin"
         },
         "speed_travel": {
             "default_value": 70