diff --git a/tests/aeroval/test_experiment_output.py b/tests/aeroval/test_experiment_output.py
index cd78d157e..edf573afc 100644
--- a/tests/aeroval/test_experiment_output.py
+++ b/tests/aeroval/test_experiment_output.py
@@ -113,7 +113,7 @@ def test_ExperimentOutput():
 def test_ExperimentOutput_error():
     with pytest.raises(ValueError) as e:
         ExperimentOutput(None)
-    assert str(e.value) == "need instance of <class 'pyaerocom.aeroval.setupclasses.EvalSetup'>"
+    assert str(e.value) == "need instance of <class 'pyaerocom.aeroval.setup_classes.EvalSetup'>"
 
 
 def test_ExperimentOutput_exp_id(dummy_expout: ExperimentOutput):