diff --git a/django/contrib/auth/models.py b/django/contrib/auth/models.py
index e37f5a4497e..cca3c622522 100644
--- a/django/contrib/auth/models.py
+++ b/django/contrib/auth/models.py
@@ -239,7 +239,7 @@ 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)
-            except ImportError, ImproperlyConfigured:
+            except (ImportError, ImproperlyConfigured):
                 raise SiteProfileNotAvailable
         return self._profile_cache