diff --git a/tastypie/fields.py b/tastypie/fields.py
index ae3f291..568788c 100644
--- a/tastypie/fields.py
+++ b/tastypie/fields.py
@@ -644,7 +644,7 @@ class RelatedField(ApiField):
         Accepts either a URI, a data dictionary (or dictionary-like structure)
         or an object with a ``pk``.
         """
-        self.fk_resource = self.to_class()
+        self.fk_resource = self.to_class(api_name=self.api_name)
         kwargs = {
             'request': request,
             'related_obj': related_obj,
diff --git a/tastypie/resources.py b/tastypie/resources.py
index 0d51a3a..5c1164e 100644
--- a/tastypie/resources.py
+++ b/tastypie/resources.py
@@ -859,6 +859,8 @@ class Resource(six.with_metaclass(DeclarativeMetaclass)):
         bundle = self.hydrate(bundle)
 
         for field_name, field_object in self.fields.items():
+            field_object.api_name = self.api_name
+
             if field_object.readonly is True:
                 continue