diff --git a/app/models/patent.rb b/app/models/patent.rb
index fe05999..30603b4 100644
--- a/app/models/patent.rb
+++ b/app/models/patent.rb
@@ -88,7 +88,7 @@ class Patent
       fields_to_show.collect do |t|
          case t
           when "patent_title"
-            pd_data << {"data_title" => "<a href='#{OrbitHelper.url_to_show(p.to_param)}'>" + (p.send(fs) rescue "") + "</a>"}
+            pd_data << {"data_title" => "<a href='#{OrbitHelper.url_to_show(p.to_param)}'>" + (p.send(t) rescue "") + "</a>"}
           when "publish_date"
             pd_data << {"data_title" => (p.publish_date.strftime("%Y/%m/%d") rescue "")}
           when "application_date"