diff --git a/tests/test_autopickstation/test_autopickstation.py b/tests/test_autopickstation/test_autopickstation.py
index 65c6a355..6c9b4f2c 100644
--- a/tests/test_autopickstation/test_autopickstation.py
+++ b/tests/test_autopickstation/test_autopickstation.py
@@ -100,7 +100,7 @@ class TestAutopickStation(unittest.TestCase):
         self.metadata = MockMetadata()
 
         # show complete diff when difference in results dictionaries are found
-        self.maxDiff
+        self.maxDiff = None
 
     #@skip("Works")
     def test_autopickstation_taupy_disabled_gra1(self):