diff --git a/shibboleth-appliance.json b/shibboleth-appliance.json
index 66240dd..9da684b 100644
--- a/shibboleth-appliance.json
+++ b/shibboleth-appliance.json
@@ -28,7 +28,11 @@
     {
       "type": "shell",
       "execute_command": "echo 'centos' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
-      "script": "scripts/cleanup.sh"
+      "script": "scripts/cleanup.sh",
+	},
+    {
+      "type": "shell",
+      "inline": ["sudo centos echo 'TIERBUILD='{{user `build_number`}} > /home/centos/buildenv.bash"]
     }
   ],
   "builders": [