diff --git a/django/core/meta/__init__.py b/django/core/meta/__init__.py
index 049b39e2b6..2b187d542e 100644
--- a/django/core/meta/__init__.py
+++ b/django/core/meta/__init__.py
@@ -1809,11 +1809,12 @@ def manipulator_save(opts, klass, add, change, self, new_data):
         if child_follow:
             obj_list = expanded_data[related.var_name].items()
             obj_list.sort(lambda x, y: cmp(int(x[0]), int(y[0])))
-            params = {}
 
             # For each related item...
             for _, rel_new_data in obj_list:
 
+                params = {}
+
                 # Keep track of which core=True fields were provided.
                 # If all core fields were given, the related object will be saved.
                 # If none of the core fields were given, the object will be deleted.