diff --git a/modeling-cmds/openapi/api.json b/modeling-cmds/openapi/api.json
index 1b5017a4..88cac7db 100644
--- a/modeling-cmds/openapi/api.json
+++ b/modeling-cmds/openapi/api.json
@@ -2635,7 +2635,6 @@
               "draft_angle": {
                 "nullable": true,
                 "description": "What draft angle should be used in this extrusion? Negative values indicate an outward draft, while positive values indicate an inward draft",
-                "default": null,
                 "allOf": [
                   {
                     "$ref": "#/components/schemas/Angle"
diff --git a/modeling-cmds/src/def_enum.rs b/modeling-cmds/src/def_enum.rs
index f86c7175..34c28639 100644
--- a/modeling-cmds/src/def_enum.rs
+++ b/modeling-cmds/src/def_enum.rs
@@ -135,9 +135,9 @@ define_modeling_cmd_enum! {
             /// How far off the plane to extrude
             pub distance: LengthUnit,
             /// What draft angle should be used in this extrusion?
-            /// Negative values indicate an outward draft, 
+            /// Negative values indicate an outward draft,
             /// while positive values indicate an inward draft
-            #[serde(default)]
+            #[serde(default, skip_serializing_if = "Option::is_none")]
             pub draft_angle: Option<Angle>,
             /// Which IDs should the new faces have?
             /// If this isn't given, the engine will generate IDs.