diff --git a/orix/tests/sampling/test_sampling.py b/orix/tests/sampling/test_sampling.py
index 0dc8cfb0..689152f3 100644
--- a/orix/tests/sampling/test_sampling.py
+++ b/orix/tests/sampling/test_sampling.py
@@ -218,7 +218,7 @@ def test_get_zone_axis(self, density, get_directions):
         struct = Structure(atoms=atom_list, lattice=latt)
         p = Phase(structure=struct, space_group=227)
         if density == "5":
-            with pytest.raises("ValueError"):
+            with pytest.raises(ValueError):
                 get_sample_zone_axis(phase=p, density=density)
         else:
             if get_directions: