From 40afdaf08ca7562d8908b999511cd40a432520a9 Mon Sep 17 00:00:00 2001
From: Andrew Godwin <andrew@aeracode.org>
Date: Sat, 8 Mar 2014 18:35:35 -0800
Subject: [PATCH] Fix weird autodetector error

---
 django/db/models/fields/related.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py
index 41c020f509..6260f92de9 100644
--- a/django/db/models/fields/related.py
+++ b/django/db/models/fields/related.py
@@ -2035,7 +2035,7 @@ class ManyToManyField(RelatedField):
         if getattr(self.rel, 'through', None) is not None:
             if isinstance(self.rel.through, six.string_types):
                 kwargs['through'] = self.rel.through
-            else:
+            elif not self.rel.through._meta.auto_created:
                 kwargs['through'] = "%s.%s" % (self.rel.through._meta.app_label, self.rel.through._meta.object_name)
         # If swappable is True, then see if we're actually pointing to the target
         # of a swap.