diff --git a/rest_auth/registration/urls.py b/rest_auth/registration/urls.py
index 2fef5d7..071c2e5 100644
--- a/rest_auth/registration/urls.py
+++ b/rest_auth/registration/urls.py
@@ -18,6 +18,6 @@ urlpatterns = [
     # If you don't want to use API on that step, then just use ConfirmEmailView
     # view from:
     # django-allauth https://github.com/pennersr/django-allauth/blob/master/allauth/account/views.py
-    re_path('account-confirm-email/(?P<key>[-:\w]+)/', TemplateView.as_view(),
+    re_path(r'account-confirm-email/(?P<key>[-:\w]+)/', TemplateView.as_view(),
          name='account_confirm_email'),
 ]