diff --git a/tests/test_fernet.py b/tests/test_fernet.py
index a42011a..baae36d 100644
--- a/tests/test_fernet.py
+++ b/tests/test_fernet.py
@@ -65,6 +65,4 @@
     @pytest.mark.parametrize("message", [b"", b"Abc!", b"\x00\xFF\x00\x80"])
     def test_roundtrips(self, message):
         f = Fernet(b"\x00" * 32)
-        ciphertext = f.encrypt(message)
-        plaintext = f.decrypt(ciphertext)
-        assert plaintext == message
+        assert f.decrypt(f.encrypt(message)) == message