Before in view <% form_for_tag blabal do |f| %> <%= f.text_field_tag :quick, params[:search][:quick] %> <%= select_tag("country", options_for_select([["unassigned" , "0" ]] + Country.to_dropdown, region.country_id), {:name => "search[country]"} ) %> <%= f.submit "Search" %> <% end %> After in controller require 'ostruct' def index @search = OpenStruct.new(params[:search]) end in view <% form_for :