diff --git a/manim/mobject/three_d/three_dimensions.py b/manim/mobject/three_d/three_dimensions.py
index 5732ebb98c..d87bf420f4 100644
--- a/manim/mobject/three_d/three_dimensions.py
+++ b/manim/mobject/three_d/three_dimensions.py
@@ -517,7 +517,8 @@ def generate_points(self) -> None:
 
             self.add(face)
 
-    init_points = generate_points
+    def init_points(self) -> None:
+        self.generate_points()
 
 
 class Prism(Cube):