diff --git a/shibboleth-appliance.json b/shibboleth-appliance.json
index dc68d5c..9f7de39 100644
--- a/shibboleth-appliance.json
+++ b/shibboleth-appliance.json
@@ -29,7 +29,12 @@
       "type": "shell",
       "execute_command": "echo 'centos' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
       "script": "scripts/cleanup.sh"
+    },
+    {
+      "type": "shell",
+      "inline": ["sudo centos echo 'TIERBUILD='{{user `build_number`}} > /home/centos/buildenv.bash"]
     }
+	
   ],
   "builders": [
     {