diff --git a/tests/test_logger.py b/tests/test_logger.py
index bd3ce31d4802c1e4e93d12d1766de2e4a6b6bdfe..2bafd25af2b415df47f6fc51b4d2e11378cfb0e3 100644
--- a/tests/test_logger.py
+++ b/tests/test_logger.py
@@ -21,6 +21,8 @@ def test_get_logger_by_name():
 def test_configure():
     # we can configure the logger.
     my_logger = logging.getLogger("ulif.diceware")
+    configure(None)
+    assert my_logger.level == 0
     configure(0)
     assert my_logger.level == logging.INFO
     configure(2)