diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 4c87a3bcf0..6833e921da 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -77,6 +77,20 @@
                     "type": "str",
                     "enabled": false
                 },
+                "material_diameter":
+                {
+                    "label": "Diameter",
+                    "description": "Adjusts the diameter of the filament used. Match this value with the diameter of the used filament.",
+                    "unit": "mm",
+                    "type": "float",
+                    "default_value": 2.85,
+                    "minimum_value": "0.0001",
+                    "minimum_value_warning": "0.4",
+                    "maximum_value_warning": "3.5",
+                    "enabled": "machine_gcode_flavor != \"UltiGCode\"",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
                 "material_bed_temp_wait":
                 {
                     "label": "Wait for Build Plate Heatup",