diff --git a/src/ifcgeom/taxonomy.h b/src/ifcgeom/taxonomy.h
index 2c8b36144f..4b227fd7ef 100644
--- a/src/ifcgeom/taxonomy.h
+++ b/src/ifcgeom/taxonomy.h
@@ -93,7 +93,7 @@ typedef item const* ptr;
 				topology_error(const char* const s) : std::runtime_error(s) {}
 			};
 
-			enum kinds { MATRIX4, POINT3, DIRECTION3, LINE, CIRCLE, ELLIPSE, BSPLINE_CURVE, OFFSET_CURVE, PLANE, CYLINDER, SPHERE, TORUS, BSPLINE_SURFACE, EDGE, LOOP, FACE, SHELL, SOLID, LOFT, EXTRUSION, REVOLVE, SURFACE_CURVE_SWEEP, NODE, COLLECTION, BOOLEAN_RESULT, PIECEWISE_FUNCTION, COLOUR, STYLE };
+			enum kinds { MATRIX4, POINT3, DIRECTION3, LINE, CIRCLE, ELLIPSE, BSPLINE_CURVE, OFFSET_CURVE, PLANE, CYLINDER, SPHERE, TORUS, BSPLINE_SURFACE, EDGE, LOOP, FACE, SHELL, SOLID, LOFT, EXTRUSION, REVOLVE, SWEEP_ALONG_CURVE, NODE, COLLECTION, BOOLEAN_RESULT, PIECEWISE_FUNCTION, COLOUR, STYLE };
 
 			const std::string& kind_to_string(kinds k);
 
@@ -1018,12 +1018,12 @@ typedef item const* ptr;
 				item::ptr curve;
 
 				virtual sweep_along_curve* clone_() const { return new sweep_along_curve(*this); }
-				virtual kinds kind() const { return SURFACE_CURVE_SWEEP; }
+				virtual kinds kind() const { return SWEEP_ALONG_CURVE; }
 
 				sweep_along_curve(matrix4::ptr m, face::ptr basis, item::ptr surf, item::ptr crv) : sweep(m, basis), surface(surf), curve(crv) {}
 
 				virtual size_t calc_hash() const {
-					auto v = std::make_tuple(static_cast<size_t>(SURFACE_CURVE_SWEEP), matrix->hash_components(), basis->calc_hash(), surface->calc_hash(), curve->calc_hash());
+					auto v = std::make_tuple(static_cast<size_t>(SWEEP_ALONG_CURVE), matrix->hash_components(), basis->calc_hash(), surface->calc_hash(), curve->calc_hash());
 					return boost::hash<decltype(v)>{}(v);
 				}
 			};
diff --git a/src/ifcwrap/utils/type_conversion.i b/src/ifcwrap/utils/type_conversion.i
index 944809afaf..5ef2ceb124 100644
--- a/src/ifcwrap/utils/type_conversion.i
+++ b/src/ifcwrap/utils/type_conversion.i
@@ -273,7 +273,7 @@ PyObject* item_to_pyobject(const ifcopenshell::geometry::taxonomy::item::ptr& i)
 	else if (kind == SPHERE) { return SWIG_NewPointerObj(SWIG_as_voidptr(new std::shared_ptr<sphere>(std::static_pointer_cast<sphere>(i))), SWIGTYPE_p_std__shared_ptrT_ifcopenshell__geometry__taxonomy__sphere_t, 0 | SWIG_POINTER_OWN); }
 	else if (kind == TORUS) { return SWIG_NewPointerObj(SWIG_as_voidptr(new std::shared_ptr<torus>(std::static_pointer_cast<torus>(i))), SWIGTYPE_p_std__shared_ptrT_ifcopenshell__geometry__taxonomy__torus_t, 0 | SWIG_POINTER_OWN); }
 	else if (kind == STYLE) { return SWIG_NewPointerObj(SWIG_as_voidptr(new std::shared_ptr<style>(std::static_pointer_cast<style>(i))), SWIGTYPE_p_std__shared_ptrT_ifcopenshell__geometry__taxonomy__style_t, 0 | SWIG_POINTER_OWN); }
-	else if (kind == SURFACE_CURVE_SWEEP) { return SWIG_NewPointerObj(SWIG_as_voidptr(new std::shared_ptr<sweep_along_curve>(std::static_pointer_cast<sweep_along_curve>(i))), SWIGTYPE_p_std__shared_ptrT_ifcopenshell__geometry__taxonomy__sweep_along_curve_t, 0 | SWIG_POINTER_OWN); }
+	else if (kind == SWEEP_ALONG_CURVE) { return SWIG_NewPointerObj(SWIG_as_voidptr(new std::shared_ptr<sweep_along_curve>(std::static_pointer_cast<sweep_along_curve>(i))), SWIGTYPE_p_std__shared_ptrT_ifcopenshell__geometry__taxonomy__sweep_along_curve_t, 0 | SWIG_POINTER_OWN); }
 	else {
 		Py_INCREF(Py_None);
 		return Py_None;