diff --git a/tests/unit_tests/test_lattice_discretization.py b/tests/unit_tests/test_lattice_discretization.py
index bd78527cb..b4a89ea19 100644
--- a/tests/unit_tests/test_lattice_discretization.py
+++ b/tests/unit_tests/test_lattice_discretization.py
@@ -4,7 +4,7 @@ import xml.etree.ElementTree as ET
 import openmc
 import pytest
 
-from test_lattice import zr, pincell1, pincell2, rlat2
+from tests.unit_tests.test_lattice import zr, pincell1, pincell2, rlat2
 
 
 def test_discretization_degenerate(rlat2):