diff --git a/hub/city_model_structure/attributes/polyhedron.py b/hub/city_model_structure/attributes/polyhedron.py
index f27a8ff1..553f1e26 100644
--- a/hub/city_model_structure/attributes/polyhedron.py
+++ b/hub/city_model_structure/attributes/polyhedron.py
@@ -91,7 +91,7 @@ class Polyhedron:
         face = []
         points = polygon.coordinates
         if len(points) != 3:
-          sub_polygons = polygon.triangulate()
+          sub_polygons = polygon.triangles
           # todo: I modified this! To be checked @Guille
           if len(sub_polygons) >= 1:
             for sub_polygon in sub_polygons: