diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb
index b152f95a15..bab842cf66 100644
--- a/activerecord/test/cases/named_scope_test.rb
+++ b/activerecord/test/cases/named_scope_test.rb
@@ -254,7 +254,7 @@ class NamedScopeTest < ActiveRecord::TestCase
   end
 
   def test_should_use_where_in_query_for_named_scope
-    assert_equal Developer.find_all_by_name('Jamis'), Developer.find_all_by_id(Developer.jamises)
+    assert_equal Developer.find_all_by_name('Jamis').to_set, Developer.find_all_by_id(Developer.jamises).to_set
   end
 
   def test_size_should_use_count_when_results_are_not_loaded