diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/views.py b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/views.py
index c7b846c0..baa04a0d 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/views.py
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/views.py
@@ -25,7 +25,10 @@ class UserUpdateView(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
     success_message = _("Information successfully updated")
 
     def get_success_url(self):
-        return self.request.user.get_absolute_url()  # type: ignore [union-attr]
+        assert (
+            self.request.user.is_authenticated
+        )  # for mypy to know that the user is authenticated
+        return self.request.user.get_absolute_url()
 
     def get_object(self):
         return self.request.user