diff --git a/recipes/debian_backports.rb b/recipes/debian_backports.rb
index 87e1c8c..4b5ca46 100644
--- a/recipes/debian_backports.rb
+++ b/recipes/debian_backports.rb
@@ -4,10 +4,10 @@
 #
 
 # backports for initial support
-backports_uri = if node["lsb"]["codename"] == "wheezy"
-                  "http://cdn.debian.net/debian"
+backports_uri = if node["lsb"]["codename"] == "squeeze"
+                  "http://http.debian.net/debian-backports"
                 else
-                  "http://backports.debian.org/debian-backports"
+                  "http://http.debian.net/debian"
                 end
 
 apt_repository "debian-backports" do
diff --git a/templates/default/postgresql.conf.erb b/templates/default/postgresql.conf.erb
index c567aa8..8d0e93e 100644
--- a/templates/default/postgresql.conf.erb
+++ b/templates/default/postgresql.conf.erb
@@ -209,9 +209,6 @@ commit_delay = <%= node["postgresql"]["commit_delay"] %>     # range 0-100000, i
 
 # - Checkpoints -
 
-<%- if node["postgresql"]["checkpoint_segments"] %>
-checkpoint_segments = <%= node["postgresql"]["checkpoint_segments"] %>    # in logfile segments, min 1, 16MB each
-<%- end %>
 <%- if node["postgresql"]["checkpoint_timeout"] %>
 checkpoint_timeout = <%= node["postgresql"]["checkpoint_timeout"] %>    # range 30s-1h
 <%- end %>