diff --git a/django/oldforms/__init__.py b/django/oldforms/__init__.py
index e43bc9fa426..decf0f7064f 100644
--- a/django/oldforms/__init__.py
+++ b/django/oldforms/__init__.py
@@ -225,7 +225,7 @@ class InlineObjectCollection(object):
         self.data = data
         self.errors = errors
         self._collections = None
-        self.name = rel_obj.opts.module_name
+        self.name = rel_obj.name
 
     def __len__(self):
         self.fill()