diff --git a/meshkernel/meshkernel.py b/meshkernel/meshkernel.py
index 1fb824c2..7d7be7a8 100644
--- a/meshkernel/meshkernel.py
+++ b/meshkernel/meshkernel.py
@@ -287,7 +287,7 @@ def mesh2d_get_mesh_inner_boundaries_as_polygons(self) -> GeometryList:
         """Gets the inner boundary polygons from the MeshKernel.
 
         Returns:
-            Mesh2d: A copy of the inner boundary polygons.
+            GeometryList: A sequence of points describing the inner boundary polygons of the mesh.
         """
 
         c_geometry_list_dimension = c_int()
diff --git a/tests/test_mesh2d_basics.py b/tests/test_mesh2d_basics.py
index 9616b87b..fadcdb0b 100644
--- a/tests/test_mesh2d_basics.py
+++ b/tests/test_mesh2d_basics.py
@@ -1198,12 +1198,12 @@ def test_mesh2d_get_mesh_boundaries_as_polygons(meshkernel_with_mesh2d: MeshKern
     mesh_boundary = mk.mesh2d_get_mesh_boundaries_as_polygons()
 
     assert_array_equal(
+        np.array([0.0, 1.0, 2.0, 2.0, 2.0, 1.0, 0.0, 0.0, 0.0], dtype=np.double),
         mesh_boundary.x_coordinates,
-        np.array([0.0, 0.0, 0.0, 1.0, 2.0, 2.0, 2.0, 1.0, 0.0], dtype=np.double),
     )
     assert_array_equal(
         mesh_boundary.y_coordinates,
-        np.array([0.0, 1.0, 2.0, 2.0, 2.0, 1.0, 0.0, 0.0, 0.0], dtype=np.double),
+        np.array([0.0, 0.0, 0.0, 1.0, 2.0, 2.0, 2.0, 1.0, 0.0], dtype=np.double),
     )