diff --git a/tests/auth_tests/test_hashers.py b/tests/auth_tests/test_hashers.py
index 754149dcea..7435569a7c 100644
--- a/tests/auth_tests/test_hashers.py
+++ b/tests/auth_tests/test_hashers.py
@@ -50,6 +50,12 @@ class TestUtilsHashPass(SimpleTestCase):
         self.assertTrue(check_password('', blank_encoded))
         self.assertFalse(check_password(' ', blank_encoded))
 
+    def test_bytes(self):
+        encoded = make_password(b'bytes_password')
+        self.assertTrue(encoded.startswith('pbkdf2_sha256$'))
+        self.assertIs(is_password_usable(encoded), True)
+        self.assertIs(check_password(b'bytes_password', encoded), True)
+
     def test_pbkdf2(self):
         encoded = make_password('lètmein', 'seasalt', 'pbkdf2_sha256')
         self.assertEqual(encoded, 'pbkdf2_sha256$216000$seasalt$youGZxOw6ZOcfrXv2i8/AhrnpZflJJ9EshS9XmUJTUg=')