diff --git a/django/contrib/auth/models.py b/django/contrib/auth/models.py
index 4d3189b08b..487e1a3cf2 100644
--- a/django/contrib/auth/models.py
+++ b/django/contrib/auth/models.py
@@ -291,6 +291,7 @@ class User(models.Model):
                 app_label, model_name = settings.AUTH_PROFILE_MODULE.split('.')
                 model = models.get_model(app_label, model_name)
                 self._profile_cache = model._default_manager.get(user__id__exact=self.id)
+                self._profile_cache.user = self
             except (ImportError, ImproperlyConfigured):
                 raise SiteProfileNotAvailable
         return self._profile_cache