diff --git a/libsrc/occ/python_occ_shapes.cpp b/libsrc/occ/python_occ_shapes.cpp

index 86a5ebc2..bd01c5be 100644

--- a/libsrc/occ/python_occ_shapes.cpp

+++ b/libsrc/occ/python_occ_shapes.cpp

@@ -200,6 +200,7 @@ py::object CastShape(const TopoDS_Shape & s)

     case TopAbs_SHAPE:

       return py::cast(s);

     }

+  return py::object();

 };