diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7fda03658..f8f6bac23 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -21,7 +21,7 @@ module ApplicationHelper
 
     if language != DEFAULT_LANGUAGE
       translations = I18n.t('javascripts', :locale => language)
-      defaults.update(translations)
+      defaults.deep_merge!(translations)
     end
 
     defaults