diff --git a/django/core/meta/__init__.py b/django/core/meta/__init__.py
index 9d807ed892..02e264607b 100644
--- a/django/core/meta/__init__.py
+++ b/django/core/meta/__init__.py
@@ -1456,7 +1456,7 @@ def manipulator_save(opts, klass, add, change, self, new_data):
             params[f.column] = f.get_manipulator_new_data(new_data)
 
     if change:
-        params[opts.pk.name] = self.obj_key
+        params[opts.pk.column] = self.obj_key
 
     # First, save the basic object itself.
     new_object = klass(**params)
diff --git a/django/views/admin/main.py b/django/views/admin/main.py
index 738dd15cea..17bfa12d8b 100644
--- a/django/views/admin/main.py
+++ b/django/views/admin/main.py
@@ -876,7 +876,7 @@ def change_stage(request, app_label, module_name, object_id):
                     new_data.setlist(f.name, new_data[f.name].split(","))
             manipulator.do_html2python(new_data)
             new_object = manipulator.save(new_data)
-            pk_value = getattr(new_object, opts.pk.name)
+            pk_value = getattr(new_object, opts.pk.column)
 
             # Construct the change message.
             change_message = []