diff --git a/libsrc/meshing/python_mesh.cpp b/libsrc/meshing/python_mesh.cpp
index 69e5d5d4..ba85c585 100644
--- a/libsrc/meshing/python_mesh.cpp
+++ b/libsrc/meshing/python_mesh.cpp
@@ -586,12 +586,18 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
     ;
   
 
+  py::enum_<MESHING_STEP>(m,"MeshingStep")
+    .value("MESHEDGES",MESHCONST_MESHEDGES)
+    .value("MESHSURFACE",MESHCONST_OPTSURFACE)
+    .value("MESHVOLUME",MESHCONST_OPTVOLUME)
+    ;
+  
   typedef MeshingParameters MP;
   py::class_<MP> (m, "MeshingParameters")
     .def(py::init<>())
     .def("__init__",
          [](MP *instance, double maxh, bool quad_dominated, int optsteps2d, int optsteps3d,
-	    int perfstepsend)
+	    MESHING_STEP perfstepsend)
                            {
                              new (instance) MeshingParameters;
                              instance->maxh = maxh;
@@ -604,7 +610,7 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
            py::arg("quad_dominated")=false,
            py::arg("optsteps2d") = 3,
 	 py::arg("optsteps3d") = 3,
-	 py::arg("perfstepsend") = 6,
+	 py::arg("perfstepsend") = MESHCONST_OPTVOLUME,
          "create meshing parameters"
           )
     .def("__str__", &ToString<MP>)