diff --git a/packages/vite/src/node/plugins/html.ts b/packages/vite/src/node/plugins/html.ts
index 8e316b6709f0d4..1d3f45f6f74b52 100644
--- a/packages/vite/src/node/plugins/html.ts
+++ b/packages/vite/src/node/plugins/html.ts
@@ -545,7 +545,7 @@ function injectToHead(
} else {
// inject before head close
if (headInjectRE.test(html)) {
- return html.replace(headInjectRE, `${tagsHtml}\n$&`)
+ return html.replace(headInjectRE, `${tagsHtml}\n $&`)
}
}
// if no tag is present, just prepend
@@ -592,7 +592,7 @@ function serializeTags(tags: HtmlTagDescriptor['children']): string {
if (typeof tags === 'string') {
return tags
} else if (tags) {
- return tags.map(serializeTag).join(`\n `)
+ return ` ${tags.map(serializeTag).join('\n ')}`
}
return ''
}