diff --git a/src/PythonicAPI/GeometricObjects/ParametricObjectsDemo.py b/src/PythonicAPI/GeometricObjects/ParametricObjectsDemo.py
index cba2df795681e521258dda2e645e48c22210f8b9..4d8a345dda417be713c29e5cab4ab49084ee92b9 100755
--- a/src/PythonicAPI/GeometricObjects/ParametricObjectsDemo.py
+++ b/src/PythonicAPI/GeometricObjects/ParametricObjectsDemo.py
@@ -200,7 +200,7 @@ def main():
                 actor = vtkActor(mapper=mapper)
                 actor.property.color = colors.GetColor3d("NavajoWhite")
                 if back_face:
-                    actor.SetBackfaceProperty(back_property)
+                    actor.backface_property = back_property
 
                 renderer.AddActor(actor)