diff --git a/scrapy/contrib_exp/djangoitem.py b/scrapy/contrib_exp/djangoitem.py
index 2749c9685..dfef58dac 100644
--- a/scrapy/contrib_exp/djangoitem.py
+++ b/scrapy/contrib_exp/djangoitem.py
@@ -12,9 +12,9 @@ class DjangoItemMeta(ItemMeta):
             cls._model_meta = cls.django_model._meta
             for model_field in cls._model_meta.fields:
                 # XXX: for now we're treating each PK as autogenerated field
-                if model_field != cls._model_meta.pk and \
-                   model_field.name not in cls.fields:
-                    cls.fields[model_field.name] = Field()
+                if model_field != cls._model_meta.pk:
+                    if model_field.name not in cls.fields:
+                        cls.fields[model_field.name] = Field()
                     cls._model_fields.append(model_field.name)
         return cls