diff --git a/lib/pretty_text.rb b/lib/pretty_text.rb
index c0344dd011c..a07fcc5f608 100644
--- a/lib/pretty_text.rb
+++ b/lib/pretty_text.rb
@@ -71,6 +71,7 @@ module PrettyText
               "app/assets/javascripts/defer/html-sanitizer-bundle.js",
               "app/assets/javascripts/discourse/dialects/dialect.js",
               "app/assets/javascripts/discourse/lib/utilities.js",
+              "app/assets/javascripts/discourse/lib/html.js",
               "app/assets/javascripts/discourse/lib/markdown.js")
 
     Dir["#{Rails.root}/app/assets/javascripts/discourse/dialects/**.js"].each do |dialect|