diff --git a/scripts/build-assets.mjs b/scripts/build-assets.mjs
index d2dabe8532..8a8a50d9ba 100644
--- a/scripts/build-assets.mjs
+++ b/scripts/build-assets.mjs
@@ -12,6 +12,7 @@ import * as terser from 'terser';
 import { build as buildLocales } from '../locales/index.js';
 import generateDTS from '../locales/generateDTS.js';
 import meta from '../package.json' assert { type: "json" };
+import buildTarball from './tarball.mjs';
 
 let locales = buildLocales();
 
@@ -77,12 +78,13 @@ async function build() {
     copyBackendViews(),
     buildBackendScript(),
     buildBackendStyle(),
+		buildTarball(),
   ]);
 }
 
 await build();
 
-if (process.argv.includes("--watch")) {
+if (process.argv.includes('--watch')) {
 	const watcher = fs.watch('./locales');
 	for await (const event of watcher) {
 		const filename = event.filename?.replaceAll('\\', '/');
diff --git a/scripts/tarball.mjs b/scripts/tarball.mjs
index 2652a182f5..9de9c03e1d 100644
--- a/scripts/tarball.mjs
+++ b/scripts/tarball.mjs
@@ -6,8 +6,6 @@ import glob from 'fast-glob';
 import Pack from 'tar/lib/pack.js';
 import meta from '../package.json' assert { type: "json" };
 
-const cwd = fileURLToPath(new URL('..', import.meta.url));
-const mkdirPromise = mkdir(resolve(cwd, 'built', 'tarball'), { recursive: true });
 const patterns = [
 	'{assets,fluent-emojis,locales,misskey-assets}/**/*',
 	'packages/.config/example.yml',
@@ -29,14 +27,19 @@ const patterns = [
 	'pnpm-lock.yaml',
 	'pnpm-workspace.yaml',
 ];
-const pack = new Pack({ cwd, gzip: true });
 
-for await (const entry of glob.stream(patterns)) {
-	pack.add(entry);
+export default async function build() {
+	const cwd = fileURLToPath(new URL('..', import.meta.url));
+	const mkdirPromise = mkdir(resolve(cwd, 'built', 'tarball'), { recursive: true });
+	const pack = new Pack({ cwd, gzip: true });
+
+	for await (const entry of glob.stream(patterns)) {
+		pack.add(entry);
+	}
+
+	pack.end();
+
+	await mkdirPromise;
+
+	pack.pipe(createWriteStream(resolve(cwd, 'built', 'tarball', `misskey-${meta.version}.tar.gz`)));
 }
-
-pack.end();
-
-await mkdirPromise;
-
-pack.pipe(createWriteStream(resolve(cwd, 'built', 'tarball', `misskey-${meta.version}.tar.gz`)));