diff --git a/graphene/core/schema.py b/graphene/core/schema.py
index 71fdd742..e284ab1f 100644
--- a/graphene/core/schema.py
+++ b/graphene/core/schema.py
@@ -77,6 +77,7 @@ class Schema(object):
             self,
             query=self.T(self.query),
             mutation=self.T(self.mutation),
+            types=[self.T(_type) for _type in list(self._types_names.values())],
             subscription=self.T(self.subscription))
 
     def register(self, object_type, force=False):