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-rw-r--r--django/db/models/fields/__init__.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 3792a30a88..34d998c219 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -433,6 +433,7 @@ class AutoField(Field):
assert not cls._meta.has_auto_field, "A model can't have more than one AutoField."
super(AutoField, self).contribute_to_class(cls, name)
cls._meta.has_auto_field = True
+ cls._meta.auto_field = self
def formfield(self, **kwargs):
return None