diff --git a/resources/definitions/Mark2_for_Ultimaker2.def.json b/resources/definitions/Mark2_for_Ultimaker2.def.json
index a3c5f5e06b..789d5d42ec 100644
--- a/resources/definitions/Mark2_for_Ultimaker2.def.json
+++ b/resources/definitions/Mark2_for_Ultimaker2.def.json
@@ -67,13 +67,13 @@
         "layer_height_0": { "value": "round(machine_nozzle_size / 1.5, 2)" },
         "layer_start_x":
         {
-            "default_value": 105.0,
-            "enabled": false
+            "enabled": false,
+            "value": 105.0
         },
         "layer_start_y":
         {
-            "default_value": 27.0,
-            "enabled": false
+            "enabled": false,
+            "value": 27.0
         },
         "line_width": { "value": "round(machine_nozzle_size * 0.875, 2)" },
         "machine_acceleration": { "default_value": 3000 },
diff --git a/resources/definitions/dxu.def.json b/resources/definitions/dxu.def.json
index ebe94ee169..c5eb9720f3 100644
--- a/resources/definitions/dxu.def.json
+++ b/resources/definitions/dxu.def.json
@@ -52,13 +52,13 @@
         "layer_height_0": { "value": "round(machine_nozzle_size / 1.5, 2)" },
         "layer_start_x":
         {
-            "default_value": 180.0,
-            "enabled": false
+            "enabled": false,
+            "value": 180.0
         },
         "layer_start_y":
         {
-            "default_value": 160.0,
-            "enabled": false
+            "enabled": false,
+            "value": 160.0
         },
         "line_width": { "value": "round(machine_nozzle_size * 0.875, 2)" },
         "machine_acceleration": { "default_value": 3000 },
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 64196b9f8b..045bec05a4 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1347,7 +1347,7 @@
                     "label": "Z Seam On Vertex",
                     "description": "Place the z-seam on a polygon vertex. Switching this off can place the seam between vertices as well. (Keep in mind that this won't override the restrictions on placing the seam on an unsupported overhang.)",
                     "type": "bool",
-                    "default_value": true,
+                    "default_value": false,
                     "settable_per_mesh": true,
                     "enabled": "z_seam_type == 'back' or z_seam_type == 'shortest'"
                 },
@@ -8275,7 +8275,7 @@
                     "minimum_value_warning": "2",
                     "maximum_value": "90",
                     "default_value": 90,
-                    "value": "wall_overhang_angle",
+                    "value": "support_angle",
                     "settable_per_mesh": true
                 },
                 "wall_overhang_speed_factor":