diff --git a/python/tests/test_sbml_import.py b/python/tests/test_sbml_import.py
index 424deef89a..f253279be1 100644
--- a/python/tests/test_sbml_import.py
+++ b/python/tests/test_sbml_import.py
@@ -521,6 +521,7 @@ def test_likelihoods_error():
 
 
 @skip_on_valgrind
+@pytest.mark.usefixtures("model_units_module")
 def test_units(model_units_module):
     """
     Test whether SBML import works for models using sbml:units annotations.