diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index a7ef309ea..bbf37cd63 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -152,9 +152,7 @@ class BaseSerializer(Field):
             if value is not None:
                 list_kwargs[key] = value
         child_serializer = cls(*args, **kwargs)
-        list_kwargs = {
-            'child': child_serializer,
-        }
+        list_kwargs['child'] = child_serializer
         list_kwargs.update({
             key: value for key, value in kwargs.items()
             if key in LIST_SERIALIZER_KWARGS