diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 56db00855..a935ce9ec 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -526,6 +526,7 @@ module ApplicationHelper
 
   def back_url_hidden_field_tag
     back_url = params[:back_url] || request.env['HTTP_REFERER']
+    back_url = CGI.unescape(back_url.to_s)
     hidden_field_tag('back_url', CGI.escape(back_url)) unless back_url.blank?
   end