diff --git a/tests/test_decorators.py b/tests/test_decorators.py
index 428424b9..b729e376 100644
--- a/tests/test_decorators.py
+++ b/tests/test_decorators.py
@@ -45,4 +45,4 @@ class TestDecorators(unittest.TestCase):
             return 42
 
         self.assertEqual(f(), 42)
-        self.assertRegex(log.getvalue(), r"f took 1\.0. seconds")
+        self.assertRegex(log.getvalue(), r"f took 1\.0\d seconds")