diff --git a/lib/diaspora/markdownify.rb b/lib/diaspora/markdownify.rb
index 6e38faadd..9fcd30935 100644
--- a/lib/diaspora/markdownify.rb
+++ b/lib/diaspora/markdownify.rb
@@ -75,7 +75,7 @@ module Diaspora
         "<br />"
       end
 
-      def link(link, title, content)
+      def link(link, title, content='')
         return autolink(link, 'url') if link == content 
         
         if link =~ Regexp.new(Regexp.escape(content))