diff --git a/railties/test/rails_generator_test.rb b/railties/test/rails_generator_test.rb
index 0bc1e358fb2..6af5a2a8e84 100644
--- a/railties/test/rails_generator_test.rb
+++ b/railties/test/rails_generator_test.rb
@@ -104,8 +104,8 @@ class RailsGeneratorTest < Test::Unit::TestCase
     assert_equal 'Admin::Foo', g.class_name
     assert_equal 'foo', g.singular_name
     assert_equal 'foos', g.plural_name
-    assert_equal g.singular_name, g.file_name
-    assert_equal g.plural_name, g.table_name
+    assert_equal "admin_#{g.singular_name}", g.file_name
+    assert_equal "admin_#{g.plural_name}", g.table_name
     assert_equal %w(bar baz), g.args
   end