diff --git a/vedo/dolfin.py b/vedo/dolfin.py
index a7e6cde0..b7e9c907 100644
--- a/vedo/dolfin.py
+++ b/vedo/dolfin.py
@@ -469,7 +469,7 @@ def plot(*inputobj, **options):
                 lw1 = min(lw, 1)
                 actor.alpha(alpha * lw1)
         if ps:
-            actor.pointSize(ps)
+            actor.point_size(ps)
         if shading:
             if shading == "phong":
                 actor.phong()