diff --git a/resources/definitions/cartesio.def.json b/resources/definitions/cartesio.def.json
index 30ffbe28ae..6567f61fb3 100644
--- a/resources/definitions/cartesio.def.json
+++ b/resources/definitions/cartesio.def.json
@@ -36,6 +36,7 @@
 
     "overrides": {
         "machine_extruder_count": { "default_value": 2 },
+        "material_diameter": { "default_value": 1.75 },
         "machine_heated_bed": { "default_value": true },
         "machine_center_is_zero": { "default_value": false },
         "gantry_height": { "default_value": 35 },