diff --git a/resources/definitions/creality_sermoonv1.def.json b/resources/definitions/creality_sermoonv1.def.json
index f64b91c228..d40c172f43 100644
--- a/resources/definitions/creality_sermoonv1.def.json
+++ b/resources/definitions/creality_sermoonv1.def.json
@@ -27,6 +27,8 @@
         "machine_height": { "default_value": 165 },
         "machine_name": { "default_value": "Creality Sermoon V1" },
         "machine_start_gcode": { "default_value": "; -- START GCODE --\nG28 ;Home\n\nG92 E0 ;Reset Extruder\nG1 Z2.0 F3000 ;Move Z Axis up\nG1 X10.1 Y20 Z0.28 F5000.0 ;Move to start position\nG1 X10.1 Y170.0 Z0.28 F1500.0 E12 ;Draw the first line\nG1 X10.4 Y170.0 Z0.28 F5000.0 ;Move to side a little\nG1 X10.4 Y20 Z0.28 F1500.0 E25 ;Draw the second line\nG92 E0 ;Reset Extruder\nG1 Z2.0 F3000 ;Move Z Axis up" },
-        "machine_width": { "default_value": 175 }
+        "machine_width": { "default_value": 175 },
+        "retraction_amount": { "value": 0.8 },
+        "retraction_speed": { "default_value": 40 }
     }
 }
\ No newline at end of file