diff --git a/Gemfile b/Gemfile
index 765a1118..47504f8f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,6 +79,7 @@ gem 'webpacker'
 gem 'yaml_db', git: 'https://0xacab.org/sutty/yaml_db.git'
 gem 'kaminari'
 gem 'device_detector'
+gem 'htmlbeautifier'
 gem 'rubanok'
 
 gem 'after_commit_everywhere', '~> 1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1b176336..e20d74be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -270,6 +270,7 @@ GEM
     hiredis (0.6.3-x86_64-linux-musl)
     hiredis-client (0.14.1-x86_64-linux-musl)
       redis-client (= 0.14.1)
+    htmlbeautifier (1.4.2)
     http_parser.rb (0.8.0-x86_64-linux-musl)
     httparty (0.21.0)
       mini_mime (>= 1.0.0)
@@ -659,6 +660,7 @@ DEPENDENCIES
   hamlit-rails
   hiredis
   hiredis-client
+  htmlbeautifier
   httparty
   icalendar
   image_processing
diff --git a/app/models/metadata_content.rb b/app/models/metadata_content.rb
index 30b0bb82..0fc32221 100644
--- a/app/models/metadata_content.rb
+++ b/app/models/metadata_content.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'htmlbeautifier'
+
 # Se encarga del contenido del artículo y quizás otros campos que
 # requieran texto largo.
 class MetadataContent < MetadataTemplate
@@ -91,7 +93,7 @@ class MetadataContent < MetadataTemplate
       end
     end
 
-    html.to_s.html_safe
+    HtmlBeautifier.beautify(html.to_s).html_safe
   end
 
   # Limpia estilos en base a una lista de permitidos