diff --git a/generators/lib/grid5000/node.rb b/generators/lib/grid5000/node.rb
index 01b24bc82f0fc125aed0b1664df7405ee2b2fac6..a252edd7df031b0cedad146364ab8c3614443dd1 100644
--- a/generators/lib/grid5000/node.rb
+++ b/generators/lib/grid5000/node.rb
@@ -52,6 +52,7 @@ module Grid5000
         h['wattmeter']       = (properties['monitoring']['wattmeter'].is_a?(String) and properties['monitoring']['wattmeter'].upcase == "SHARED") ? "SHARED" \
                                 : properties['monitoring']['wattmeter'] ? "YES" : "NO"
         h['rconsole']        = properties['monitoring']['rconsole'] == false ? "NO" : "YES"
+        h['cluster_priority'] = cluster.properties['priority'] || Time.httpdate(cluster.properties['created_at']).strftime("%Y%m")
         h
       }
     }