diff --git a/resources/machines/fdmprinter.json b/resources/machines/fdmprinter.json
index d6f7b87685..c6d74e5091 100644
--- a/resources/machines/fdmprinter.json
+++ b/resources/machines/fdmprinter.json
@@ -61,9 +61,6 @@
             "description": "Number of extruder trains. An extruder train is the combination of a feeder, bowden tube, and nozzle.",
             "default": 1
         },
-        "machine_nozzle_size": { 
-            "description": "The inner diameter of the hole in the nozzle.",
-            "default": 0.4, "SEE_machine_extruder_trains": true },
         "machine_nozzle_tip_outer_diameter": { 
             "description": "The outer diameter of the tip of the nozzle.",
             "default": 1, "SEE_machine_extruder_trains": true  },
@@ -154,6 +151,15 @@
             "visible": true,
             "icon": "category_layer_height",
             "settings": {
+                "machine_nozzle_size": {
+                    "label": "Nozzle Diameter",
+                    "description": "The inner diameter of the hole in the nozzle.",
+                    "unit": "mm",
+                    "type": "float",
+                    "default": 0.4,
+                    "min_value": "0.001",
+                    "visible": false
+                },
                 "layer_height": {
                     "label": "Layer Height",
                     "description": "The height of each layer, in mm. Normal quality prints are 0.1mm, high quality is 0.06mm. You can go up to 0.25mm with an Ultimaker for very fast prints at low quality. For most purposes, layer heights between 0.1 and 0.2mm give a good tradeoff of speed and surface finish.",
diff --git a/resources/machines/ultimaker2.json b/resources/machines/ultimaker2.json
index fb9e980b86..f4bbf5011a 100644
--- a/resources/machines/ultimaker2.json
+++ b/resources/machines/ultimaker2.json
@@ -13,9 +13,6 @@
     
     "machine_extruder_trains": {
         "0": {
-            "machine_nozzle_size": {
-                "default": 0.4
-            },
             "machine_nozzle_heat_up_speed": { 
                 "default": 2.0 
             },
@@ -66,7 +63,7 @@
             ]
         },
         "machine_center_is_zero": { "default": false },
-        "machine_nozzle_size": { "default": 0.4 },
+        "machine_nozzle_size": { "default": 0.4, "description": "The inner diameter of the hole in the nozzle. If you are using an Olsson Block with a non-standard nozzle then set this field to the nozzle size you are using." },
         "machine_nozzle_heat_up_speed": { "default": 2.0 },
         "machine_nozzle_cool_down_speed": { "default": 2.0 },
         "gantry_height": { "default": 55 },
diff --git a/resources/machines/ultimaker_original.json b/resources/machines/ultimaker_original.json
index 1ec13c0005..272030c4a6 100644
--- a/resources/machines/ultimaker_original.json
+++ b/resources/machines/ultimaker_original.json
@@ -18,9 +18,6 @@
 
     "machine_extruder_trains": {
         "0": {
-            "machine_nozzle_size": {
-                "default": 0.4
-            },
             "machine_nozzle_heat_up_speed": { 
                 "default": 2.0 
             },