diff --git a/source/app/metrics/metadata.mjs b/source/app/metrics/metadata.mjs
index 903c414e..999ee8cd 100644
--- a/source/app/metrics/metadata.mjs
+++ b/source/app/metrics/metadata.mjs
@@ -228,7 +228,7 @@ metadata.plugin = async function({__plugins, __templates, name, logger}) {
           key,
           {
             comment:comments[key] ?? `# ${value.description}`,
-            descriptor:yaml.dump({[key]:Object.fromEntries(Object.entries(value).filter(([key]) => ["description", "default", "required"].includes(key)).map(([k, v]) => k === "description" ? [k, v.split("\n")[0]] : k === "default" ? [k, (/^\$\{\{[\s\S]+\}\}$/.test(v))||(k === "config_preset") ? v : "<default-value>"] : [k, v]))}, {quotingType:'"', noCompatMode:true}),
+            descriptor:yaml.dump({[key]:Object.fromEntries(Object.entries(value).filter(([key]) => ["description", "default", "required"].includes(key)).map(([k, v]) => k === "description" ? [k, v.split("\n")[0]] : k === "default" ? [k, (/^\$\{\{[\s\S]+\}\}$/.test(v))||(["config_preset", "config_timezone", "use_prebuilt_image"].includes(k)) ? v : "<default-value>"] : [k, v]))}, {quotingType:'"', noCompatMode:true}),
           },
         ]),
       )