diff --git a/doctr/utils/geometry.py b/doctr/utils/geometry.py
index a49cd0d406..40427b42ee 100644
--- a/doctr/utils/geometry.py
+++ b/doctr/utils/geometry.py
@@ -37,9 +37,9 @@ def bbox_to_polygon(bbox: BoundingBox) -> Polygon4P:
         bbox: a bounding box
 
     Returns:
-        a polygon
+        a polygon with the top left, top right, bottom right and bottom left corners
     """
-    return bbox[0], (bbox[1][0], bbox[0][1]), (bbox[0][0], bbox[1][1]), bbox[1]
+    return bbox[0], (bbox[1][0], bbox[0][1]), bbox[1], (bbox[0][0], bbox[1][1])
 
 
 def polygon_to_bbox(polygon: Polygon4P) -> BoundingBox:
diff --git a/tests/common/test_utils_geometry.py b/tests/common/test_utils_geometry.py
index 844bbf6d03..963f57f5e9 100644
--- a/tests/common/test_utils_geometry.py
+++ b/tests/common/test_utils_geometry.py
@@ -1,6 +1,7 @@
 from copy import deepcopy
 from math import hypot
 
+import cv2
 import numpy as np
 import pytest
 
@@ -9,11 +10,13 @@
 
 
 def test_bbox_to_polygon():
-    assert geometry.bbox_to_polygon(((0, 0), (1, 1))) == ((0, 0), (1, 0), (0, 1), (1, 1))
+    assert geometry.bbox_to_polygon(((0, 0), (1, 1))) == ((0, 0), (1, 0), (1, 1), (0, 1))
+    # the corners go around the box, so the polygon is not self-intersecting
+    assert cv2.contourArea(np.array(geometry.bbox_to_polygon(((0, 0), (10, 10))), dtype=np.float32)) == 100
 
 
 def test_polygon_to_bbox():
-    assert geometry.polygon_to_bbox(((0, 0), (1, 0), (0, 1), (1, 1))) == ((0, 0), (1, 1))
+    assert geometry.polygon_to_bbox(((0, 0), (1, 0), (1, 1), (0, 1))) == ((0, 0), (1, 1))
 
 
 def test_order_points():