diff --git a/src/ifcgeom/mapping/IfcSphericalSurface.cpp b/src/ifcgeom/mapping/IfcSphericalSurface.cpp
index 13c2286e03..05ffd7f905 100644
--- a/src/ifcgeom/mapping/IfcSphericalSurface.cpp
+++ b/src/ifcgeom/mapping/IfcSphericalSurface.cpp
@@ -24,16 +24,10 @@ using namespace ifcopenshell::geometry;
 #ifdef SCHEMA_HAS_IfcSphericalSurface
 
 taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSphericalSurface* inst) {
-	return nullptr;
-
-	/*
-	gp_Trsf trsf;
-	IfcGeom::Kernel::convert(inst->Position(), trsf);
-
-	// IfcElementarySurface.Position has unit scale factor
-	face = BRepBuilderAPI_MakeFace(new Geom_SphericalSurface(gp::XOY(), inst->Radius() * length_unit_), getValue(GV_PRECISION)).Face().Moved(trsf);
-	return true;
-	*/
+	auto s = taxonomy::make<taxonomy::sphere>();
+	s->radius = inst->Radius() * length_unit_;
+	s->matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->Position()));
+	return s;
 }
 
 #endif