diff --git a/app/controllers/personal_books_controller.rb b/app/controllers/personal_books_controller.rb
index f420f3f..8f72c34 100644
--- a/app/controllers/personal_books_controller.rb
+++ b/app/controllers/personal_books_controller.rb
@@ -29,8 +29,13 @@ class PersonalBooksController < ApplicationController
       books_temp = Book.where(:is_hidden=>false).sort_by{ |tp| [-tp[:year].to_i,-tp[:publication_date].to_i] }
       case params[:selectbox]
       when "book_title", "extracted_chapters", "default"
+        if params[:selectbox]=="dafault"
+          search_temp="book_title"
+        else
+          search_temp=params[:selectbox]
+        end
         if  page.custom_string_field == "table"
-         books_show = books_temp.select {|value| search_all_words(value.send(params[:selectbox]), params[:keywords])}
+         books_show = books_temp.select {|value| search_all_words(value.send(search_temp), params[:keywords])}
         else
          books_show = books_temp.select {|value| search_all_words(value.create_link, params[:keywords])}
         end