diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb
index 1968c52..a6ed9e1 100644
--- a/actionpack/lib/action_view/helpers/tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/tag_helper.rb
@@ -165,7 +165,7 @@ module ActionView
 
         def tag_option(key, value, escape)
           value = value.join(" ") if value.is_a?(Array)
-          value = ERB::Util.h(value) if escape
+          value = escape ? ERB::Util.h(value) : value.to_s
           %(#{key}="#{value.gsub(/"/, '"'.freeze)}")
         end
     end
-- 
2.5.5