diff --git a/resources/definitions/ultimaker_sketch.def.json b/resources/definitions/ultimaker_sketch.def.json
index f1721a31e2..b1a5035e51 100644
--- a/resources/definitions/ultimaker_sketch.def.json
+++ b/resources/definitions/ultimaker_sketch.def.json
@@ -106,7 +106,9 @@
             "enabled": false,
             "value": false
         },
-        "layer_height_0": { "value": "layer_height * 2" },
+        "layer_height_0": {
+            "value": "layer_height * 1.25"
+        },
         "layer_start_x": { "value": "sum(extruderValues('machine_extruder_start_pos_x')) / len(extruderValues('machine_extruder_start_pos_x'))" },
         "layer_start_y": { "value": "sum(extruderValues('machine_extruder_start_pos_y')) / len(extruderValues('machine_extruder_start_pos_y'))" },
         "machine_center_is_zero": { "default_value": true },