diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index 8ff8da1..3b10cc8 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -215,6 +215,8 @@ class JournalPaper
         files << (url.nil? ? "" : "<li><a href='#{url}'' target='_blank'>#{title}</li>")
       end
       value = files.join("")
+    when "url"
+      value = self.url.to_s.blank? ? "" : "<a href='#{self.url}'>#{self.url}</a>"
     else
       value = self.send(field) rescue ""
     end