diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f8548098..efd292102 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@ A convenience function `Simulation.perturbed_mediums_copy` is added to class `Si
 
 ### Fixed
 - Adjoint plugin import failures after `jax.numpy.DeviceArray` -> `jax.Array` in jax 0.4.14.
+- Fixed definition of shapely box bounds in Geometry.intersections_2dbox()
 
 ## [2.3.2] - 2023-7-21
 
diff --git a/tidy3d/components/geometry.py b/tidy3d/components/geometry.py
index 7e1ef3c9d..7bf80f016 100644
--- a/tidy3d/components/geometry.py
+++ b/tidy3d/components/geometry.py
@@ -222,7 +222,7 @@ def intersections_2dbox(self, plane: Box) -> List[Shapely]:
 
         # intersect all shapes with the input plane
         bs_min, bs_max = [plane.pop_axis(bounds, axis=normal_ind)[1] for bounds in plane.bounds]
-        shapely_box = box(minx=bs_min[0], miny=bs_min[0], maxx=bs_max[1], maxy=bs_max[1])
+        shapely_box = box(minx=bs_min[0], miny=bs_min[1], maxx=bs_max[0], maxy=bs_max[1])
         shapely_box = plane.evaluate_inf_shape(shapely_box)
         return [plane.evaluate_inf_shape(shape) & shapely_box for shape in shapes_plane]