diff --git a/data/grid5000/sites/lille/clusters/chinqchint/chinqchint.json b/data/grid5000/sites/lille/clusters/chinqchint/chinqchint.json
index f6db676ede2e750754e6c25bf544151b82a412c4..12280dda3b8e703ad97a4e9e3ca20e5ae15ec978 100755
--- a/data/grid5000/sites/lille/clusters/chinqchint/chinqchint.json
+++ b/data/grid5000/sites/lille/clusters/chinqchint/chinqchint.json
@@ -1,5 +1,5 @@
 {
-  "created_at": null,
+  "created_at": "Sun, 09 Sep 2007 22:00:00 GMT",
   "kavlan": true,
   "model": "Altix Xe 310",
   "production": true,
diff --git a/generators/input/sites/lille/clusters/chinqchint.rb b/generators/input/sites/lille/clusters/chinqchint.rb
index b0b48eef35438d21f19f8758a259465dd0b1ce70..b481d6602298935ffe76dc706d5f53d5f3dcc9ab 100644
--- a/generators/input/sites/lille/clusters/chinqchint.rb
+++ b/generators/input/sites/lille/clusters/chinqchint.rb
@@ -3,6 +3,7 @@ site :lille do |site_uid|
   cluster :chinqchint do |cluster_uid|
     model "Altix Xe 310"
     created_at nil
+    created_at Time.parse("2007-09-10").httpdate
     kavlan true
     production true