diff --git a/tests/unit_tests/test_lattice_discretization.py b/tests/unit_tests/test_lattice_discretization.py
index 388de982b..483cc111b 100644
--- a/tests/unit_tests/test_lattice_discretization.py
+++ b/tests/unit_tests/test_lattice_discretization.py
@@ -1,4 +1,6 @@
 
+from tests.unit_tests.test_lattice import rlat2
+
 
 def test_discretization_degenerate(rlat2):