diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 5d6a9f6de9ef2a37581ddf378c6b513569331c3a..e0b4e9795215098cbbcce525970b51736176ff07 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -114,7 +114,7 @@ def test_rails_is_frozen
     generator(:freeze => true, :database => "sqlite3").expects(:run).
               with("rake rails:freeze:edge", :verbose => false)
     silence(:stdout){ generator.invoke }
-    assert_file 'config/environment.rb', /# RAILS_GEM_VERSION/
+    assert_file 'config/environment.rb'
   end
 
   def test_template_from_dir_pwd