diff --git a/app.rb b/app.rb
index 0478f3864..a5a780df4 100644
--- a/app.rb
+++ b/app.rb
@@ -12,6 +12,7 @@
 require 'everypolitician/popolo'
 
 require_relative './lib/popolo_helper'
+require_relative './helpers/html'
 require_rel './lib/page'
 
 Dotenv.load
diff --git a/helpers/html.rb b/helpers/html.rb
new file mode 100644
index 000000000..af068d69f
--- /dev/null
+++ b/helpers/html.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+require 'sinatra/base'
+
+module Sinatra
+  module HTMLEscapeHelper
+    def h(text)
+      Rack::Utils.escape_html(text)
+    end
+  end
+
+  helpers HTMLEscapeHelper
+end