diff --git a/gulpfile.ts b/gulpfile.ts
index 53185f598..da111b298 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -59,7 +59,16 @@ gulp.task('build:copy:views', () =>
 	gulp.src('./src/server/web/views/**/*').pipe(gulp.dest('./built/server/web/views'))
 );
 
-gulp.task('build:copy', ['build:copy:views'], () =>
+// 互換性のため
+gulp.task('build:copy:lang', () =>
+	gulp.src(['./built/client/assets/*.*-*.js'])
+		.pipe(rename(path => {
+			path.basename = path.basename.replace(/\-(.*)$/, '');
+		}))
+		.pipe(gulp.dest('./built/client/assets/'))
+);
+
+gulp.task('build:copy', ['build:copy:views', 'build:copy:lang'], () =>
 	gulp.src([
 		'./build/Release/crypto_key.node',
 		'./src/const.json',
diff --git a/package.json b/package.json
index a4cb798ae..517f49adf 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "misskey",
 	"author": "syuilo <i@syuilo.com>",
-	"version": "7.4.0",
+	"version": "7.4.1",
 	"clientVersion": "1.0.8790",
 	"codename": "nighthike",
 	"main": "./built/index.js",