diff --git a/tests/unit_tests/test_cylindrical_mesh.py b/tests/unit_tests/test_cylindrical_mesh.py
index 89322d7045..952e8cf5a2 100644
--- a/tests/unit_tests/test_cylindrical_mesh.py
+++ b/tests/unit_tests/test_cylindrical_mesh.py
@@ -1,8 +1,8 @@
 import openmc
 import numpy as np
 
-def test_centre_read_write_to_xml():
-    """Tests that the centre attribute can be written and read back to XML
+def test_origin_read_write_to_xml():
+    """Tests that the origin attribute can be written and read back to XML
     """
     # build
     mesh = openmc.CylindricalMesh()
@@ -10,7 +10,7 @@ def test_centre_read_write_to_xml():
     mesh.z_grid = [1, 2, 3]
     mesh.r_grid = [1, 2, 3]
 
-    mesh.centre = [0.1, 0.2, 0.3]
+    mesh.origin = [0.1, 0.2, 0.3]
 
     tally = openmc.Tally()
 
@@ -27,4 +27,4 @@ def test_centre_read_write_to_xml():
     new_tallies = openmc.Tallies.from_xml()
     new_tally = new_tallies[0]
     new_mesh = new_tally.filters[0].mesh
-    assert np.allclose(new_mesh.centre, mesh.centre)
\ No newline at end of file
+    assert np.allclose(new_mesh.origin, mesh.origin)
\ No newline at end of file