diff --git a/gulpfile.js b/gulpfile.js
index 812ed1d..09634e2 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -20,8 +20,10 @@ function css() {
 }
 
 function js() {
-	return gulp.src('./src/script/index.js')
+	return gulp.src('./src/main.js')
+		.pipe(sourcemaps.init())
 		.pipe(terser({ ecma: 5 }))
+    .pipe(sourcemaps.write('.'))
 		.pipe(gulp.dest('./dist/'));
 }
 
diff --git a/src/index.html b/src/index.html
index 49bd8d5..3cffec0 100644
--- a/src/index.html
+++ b/src/index.html
@@ -101,6 +101,6 @@
 				<a href="https://github.com/NickKaramoff/toot">toot on GitHub</a>
 			</section>
 		</footer>
-		<script src="/index.js"></script>
+		<script src="/main.js"></script>
 	</body>
 </html>
diff --git a/src/script/index.js b/src/main.js
similarity index 99%
rename from src/script/index.js
rename to src/main.js
index 60f2417..04c8182 100644
--- a/src/script/index.js
+++ b/src/main.js
@@ -1,4 +1,4 @@
-/*
+/*!
 	toot - Cross-instance share page for Mastodon
 	Copyright (C) 2020-2021  Nikita Karamov <nick@karamoff.dev>