diff --git a/app/controllers/admin/asks_controller.rb b/app/controllers/admin/asks_controller.rb
index 2e863a3..7b70195 100644
--- a/app/controllers/admin/asks_controller.rb
+++ b/app/controllers/admin/asks_controller.rb
@@ -178,8 +178,8 @@ class Admin::AsksController < OrbitAdminController
       if format_text[-7...-1] == '_title'
         case format_text[1...-7]
         when /custom\d+/
-          i = format_text.scan(/\d+/)[0].to_i
-          k = custom_fields.keys[i-1]
+          i = format_text.scan(/\d+/)[0]
+          k = custom_fields.keys.index(i) rescue nil
           if !k.blank?
             text_tp = custom_fields[k]['field'][I18n.locale] rescue ''
             text = text.gsub(format_text,text_tp)
@@ -223,16 +223,16 @@ class Admin::AsksController < OrbitAdminController
             text = text.gsub(format_text,I18n.t('ask,no'))
           end
         when /custom\d+\|format/
-          i = format_text.scan(/\d+/)[0].to_i
-          k = custom_fields.keys[i-1]
+          i = format_text.scan(/\d+/)[0]
+          k = custom_fields.keys.index(i) rescue nil
           if !k.blank?
             v = custom_fields[k] rescue {}
             text_tp = Admin::AsksHelper.show_on_front(k,v,@ask_question.custom_values[k],true,true)
             text = text.gsub(format_text,text_tp.to_s)
           end
         when /custom\d+/
-          i = format_text.scan(/\d+/)[0].to_i
-          k = custom_fields.keys[i-1]
+          i = format_text.scan(/\d+/)[0]
+          k = custom_fields.keys.index(i) rescue nil
           if !k.blank?
             v = custom_fields[k] rescue {}
             text_tp = Admin::AsksHelper.show_on_front(k,v,@ask_question.custom_values[k],true)