diff --git a/test/options_test.rb b/test/options_test.rb
index edf27361..9def65cf 100644
--- a/test/options_test.rb
+++ b/test/options_test.rb
@@ -9,10 +9,11 @@ module Haml
       )
     end
 
-    def test_buffer_defaults_values_are_default_options
+    def test_buffer_defaults_values_are_the_same_as_rails_defaults
+      rails_defaults = Haml::Options.defaults.merge(Haml::Template.options)
       Haml::Options.buffer_option_keys.each do |key|
         assert_equal(
-          Haml::Options.defaults[key],
+          rails_defaults[key],
           Haml::Options.buffer_defaults[key], "key: #{key}"
         )
       end