diff --git a/src/scenic/core/regions.py b/src/scenic/core/regions.py
index 07f4c58b7..4732fda1c 100644
--- a/src/scenic/core/regions.py
+++ b/src/scenic/core/regions.py
@@ -3275,7 +3275,9 @@ def __init__(self, position, heading, width, length, name=None):
         self.circumcircle = (self.position, self.radius)
 
         super().__init__(
-            polygon=self._makePolygons(position, heading, width, length),
+            polygon=self._makePolygons(
+                self.position, self.heading, self.width, self.length
+            ),
             z=self.position.z,
             name=name,
             additionalDeps=deps,