diff --git a/reviewboard/accounts/urls.py b/reviewboard/accounts/urls.py
index cec0b54a3e39af421aca6db4b1b3e3c0a4d1a054..d3f151419b536aecd20bbe6b5b7803ace99f7df3 100644
--- a/reviewboard/accounts/urls.py
+++ b/reviewboard/accounts/urls.py
@@ -23,7 +23,7 @@ urlpatterns = [
         name='user-preferences'),
     url(r'^preferences/preview-email/password-changed/'
         r'(?P<message_format>(text|html))/$',
-        'preview_password_changed_email',
+        accounts_views.preview_password_changed_email,
         name='preview-password-change-email'),
     url(r'^register/$',
         accounts_views.account_register,
diff --git a/reviewboard/notifications/email/message.py b/reviewboard/notifications/email/message.py
index 978d7c4c53a42c4f8bea99621cc2d75c0188783d..0b5e6d49ef6256111ec88fc0c692d5e7c93b0a83 100644
--- a/reviewboard/notifications/email/message.py
+++ b/reviewboard/notifications/email/message.py
@@ -273,7 +273,7 @@ def prepare_password_changed_mail(user):
         html_body=html_body,
         from_email=settings.SERVER_EMAIL,
         sender=settings.SERVER_EMAIL,
-        to=user_email)
+        to=(user_email,))
 
 
 def prepare_reply_published_mail(user, reply, review, review_request):