diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb
index ed0240cada..17ff765543 100644
--- a/activerecord/test/cases/named_scope_test.rb
+++ b/activerecord/test/cases/named_scope_test.rb
@@ -181,8 +181,8 @@ class NamedScopeTest < ActiveRecord::TestCase
   end
 
   def test_first_and_last_should_allow_integers_for_limit
-    assert_equal Topic.base.first(2), Topic.base.to_a.first(2)
-    assert_equal Topic.base.last(2), Topic.base.to_a.last(2)
+    assert_equal Topic.base.first(2), Topic.base.order("id").to_a.first(2)
+    assert_equal Topic.base.last(2), Topic.base.order("id").to_a.last(2)
   end
 
   def test_first_and_last_should_not_use_query_when_results_are_loaded