-<% if nodeinfo.has_key?('squeeze') and nodeinfo['squeeze'] %>
-deb http://mirror.netcologne.de/debian-backports/ squeeze-backports main contrib non-free
-<% else %>
-deb http://mirror.netcologne.de/debian-backports/ lenny-backports main contrib non-free
+<% if lsbdistcodename != 'n/a' %>
+deb http://backports.debian.org/debian-backports/ <%= lsbdistcodename %>-backports main contrib non-free