diff --git a/django/db/models/query.py b/django/db/models/query.py
index 3c9c42cdc7..73d6717bce 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -842,8 +842,7 @@ class QuerySet(AltersData):
                 )
                 for obj_with_pk, results in zip(objs_with_pk, returned_columns):
                     for result, field in zip(results, opts.db_returning_fields):
-                        if field != opts.pk:
-                            setattr(obj_with_pk, field.attname, result)
+                        setattr(obj_with_pk, field.attname, result)
                 for obj_with_pk in objs_with_pk:
                     obj_with_pk._state.adding = False
                     obj_with_pk._state.db = self.db
diff --git a/tests/bulk_create/tests.py b/tests/bulk_create/tests.py
index 7b77ffed3d..397fcb9186 100644
--- a/tests/bulk_create/tests.py
+++ b/tests/bulk_create/tests.py
@@ -884,6 +884,15 @@ class BulkCreateTests(TestCase):
         (obj,) = DbDefaultPrimaryKey.objects.bulk_create([DbDefaultPrimaryKey()])
         self.assertIsInstance(obj.id, datetime)
 
+    @skipUnlessDBFeature(
+        "can_return_rows_from_bulk_insert", "supports_expression_defaults"
+    )
+    def test_db_expression_primary_key(self):
+        (obj,) = DbDefaultPrimaryKey.objects.bulk_create(
+            [DbDefaultPrimaryKey(id=Now())]
+        )
+        self.assertIsInstance(obj.id, datetime)
+
 
 @skipUnlessDBFeature("supports_transactions", "has_bulk_insert")
 class BulkCreateTransactionTests(TransactionTestCase):