diff --git a/app/assets/javascripts/discourse/helpers/application_helpers.js b/app/assets/javascripts/discourse/helpers/application_helpers.js
index 8a5eeda29d1..919688461f0 100644
--- a/app/assets/javascripts/discourse/helpers/application_helpers.js
+++ b/app/assets/javascripts/discourse/helpers/application_helpers.js
@@ -354,3 +354,7 @@ Handlebars.registerHelper('customHTML', function(property) {
   }
 
 });
+
+Ember.Handlebars.registerBoundHelper('humanSize', function(size) {
+  return new Handlebars.SafeString(I18n.toHumanSize(size));
+});