diff --git a/python/gubbins/tests/test_utils.py b/python/gubbins/tests/test_utils.py
index 2ee42b90..c11f71c4 100644
--- a/python/gubbins/tests/test_utils.py
+++ b/python/gubbins/tests/test_utils.py
@@ -21,7 +21,7 @@ class TestUtilities(unittest.TestCase):
 
     def test_gubbins_command(self):
         assert common.create_gubbins_command('AAA', 'BBB', 'CCC', 'DDD', 'EEE', 5, 10, 200, 0.05, 1.0, 0) \
-               == 'AAA -r -v CCC -a 10 -b 200 -f EEE -t DDD -m 5 -p 0.05 -i 1.0 BBB'
+               == 'AAA -r -v CCC -a 10 -b 200 -f EEE -t DDD -m 5 -p 0.05 -i 1.0 BBB -n 1'
 
     def test_translation_of_filenames_to_final_filenames(self):
         assert common.translation_of_filenames_to_final_filenames('AAA', 'test') == {