diff --git a/config/initializers/new_framework_defaults_7_1.rb b/config/initializers/new_framework_defaults_7_1.rb
index 0d8f29d..542cffe 100644
--- a/config/initializers/new_framework_defaults_7_1.rb
+++ b/config/initializers/new_framework_defaults_7_1.rb
@@ -116,4 +116,4 @@
 #
 # In previous versions of Rails, these test helpers always used an HTML4 parser.
 #++
-# Rails.application.config.dom_testing_default_html_version = :html5
+Rails.application.config.dom_testing_default_html_version = :html5