diff --git a/django_aws_ses/settings.py b/django_aws_ses/settings.py
index e085bbc..9f2e378 100644
--- a/django_aws_ses/settings.py
+++ b/django_aws_ses/settings.py
@@ -159,7 +159,7 @@ except Site.DoesNotExist:
     )
 
 # Other Settings
-HOME_URL = getattr(django_settings, 'HOME_URL', '')
+HOME_URL = getattr(django_settings, 'HOME_URL', '/')
 UNSUBSCRIBE_TEMPLATE = getattr(django_settings, 'UNSUBSCRIBE_TEMPLATE', DEFAULTS['UNSUBSCRIBE_TEMPLATE'])
 BASE_TEMPLATE = getattr(django_settings, 'BASE_TEMPLATE', DEFAULTS['BASE_TEMPLATE'])
 VERIFY_BOUNCE_SIGNATURES = getattr(django_settings, 'AWS_SES_VERIFY_BOUNCE_SIGNATURES', DEFAULTS['VERIFY_BOUNCE_SIGNATURES'])
diff --git a/django_aws_ses/tests.py b/django_aws_ses/tests.py
index f760902..33ce9e6 100644
--- a/django_aws_ses/tests.py
+++ b/django_aws_ses/tests.py
@@ -130,8 +130,7 @@ class DjangoAwsSesTests(TestCase):
 
     def test_unsubscribe_confirmation(self):
         """Test unsubscribe confirmation page and action."""
-        user_uuid = str(uuid.uuid1())
-        uuid_b64 = urlsafe_base64_encode(user_uuid.encode())
+        uuid_b64 = urlsafe_base64_encode(str(self.user.pk).encode())
         hash_value = self.ses_addon.unsubscribe_hash_generator()
         url = reverse('django_aws_ses:aws_ses_unsubscribe', kwargs={'uuid': uuid_b64, 'hash': hash_value})
 
@@ -152,8 +151,7 @@ class DjangoAwsSesTests(TestCase):
         """Test re-subscribe confirmation action."""
         self.ses_addon.unsubscribe = True
         self.ses_addon.save()
-        user_uuid = str(uuid.uuid1())
-        uuid_b64 = urlsafe_base64_encode(user_uuid.encode())
+        uuid_b64 = urlsafe_base64_encode(str(self.user.pk).encode())
         hash_value = self.ses_addon.unsubscribe_hash_generator()
         url = reverse('django_aws_ses:aws_ses_unsubscribe', kwargs={'uuid': uuid_b64, 'hash': hash_value})