diff --git a/external/base.py b/external/base.py
index eb8d3d4..302638f 100644
--- a/external/base.py
+++ b/external/base.py
@@ -188,7 +188,7 @@ class Extractor(Base):
         aObj = adapted(obj)
         schemaFactory = component.getAdapter(aObj, ISchemaFactory)
         ti = IType(obj).typeInterface or defaultInterface
-        schema = schemaFactory(ti, manager=self) #, request=self.request)
+        schema = schemaFactory(ti, manager=self, mode='export') #, request=self.request)
         instance = IInstance(aObj)
         instance.template = schema
         # TODO:  this should also convert object attributes like e.g. typeInterface
diff --git a/schema/factory.py b/schema/factory.py
index e159446..3a8888e 100644
--- a/schema/factory.py
+++ b/schema/factory.py
@@ -50,6 +50,8 @@ class FileSchemaFactory(SchemaFactory):
 
     def __call__(self, interface, **kw):
         schema = super(FileSchemaFactory, self).__call__(interface, **kw)
+        if kw.get('mode') == 'export':
+            return schema
         options = IOptions(self.context.type)
         hide = options('hide_fields') or []
         show = options('show_fields') or []