diff --git a/templates/os/sources/stanford.list.erb b/templates/os/sources/stanford.list.erb
index cc2ae1c1437010bf725255def84a2af5b6d6c1c8..57fa2958511ba438e77470ed53fac8747a9143c6 100644
--- a/templates/os/sources/stanford.list.erb
+++ b/templates/os/sources/stanford.list.erb
@@ -32,6 +32,6 @@ deb     http://debian.stanford.edu/debian-stanford <%= dist %>-backports main no
 deb-src http://debian.stanford.edu/debian-stanford <%= dist %>-backports main non-free contrib
 <% end -%>
 <% if @operatingsystem == 'Ubuntu' -%>
-deb     http://debian.stanford.edu/debian-stanford <%= lsbdistcodename %>-backports main multiverse restricted universe
-deb-src http://debian.stanford.edu/debian-stanford <%= lsbdistcodename %>-backports main multiverse restricted universe
+deb     http://debian.stanford.edu/debian-stanford <%= @lsbdistcodename %>-backports main multiverse restricted universe
+deb-src http://debian.stanford.edu/debian-stanford <%= @lsbdistcodename %>-backports main multiverse restricted universe
 <% end -%>