diff --git a/public/index.html b/public/index.html
index 9102378..5a053b3 100644
--- a/public/index.html
+++ b/public/index.html
@@ -90,11 +90,12 @@
 					<div class="option">
 						<label for="st-sortby">Sort tracks by</label>
 						<select id="st-sortby" name="sortby">
-							<option value="id">Track ID / Number</option>
+							<option value="id">Track ID</option>
 							<option value="title">Title</option>
 							<option value="artist">Artist</option>
 							<option value="album">Album</option>
 							<option value="year">Year</option>
+							<option value="file">File name</option>
 						</select>
 					</div>
 					<div class="option">
diff --git a/src/server.js b/src/server.js
index ac941ed..314083e 100644
--- a/src/server.js
+++ b/src/server.js
@@ -17,7 +17,7 @@ const port = process.env.PORT || 3000
 
 const router = express.Router()
 
-const sortfields = ['id', 'track', 'artist', 'title', 'album', 'year']
+const sortfields = ['id', 'track', 'artist', 'title', 'album', 'year', 'file']
 const srchcategories = ['title', 'artist', 'album']
 
 router.get('/tracks', async (req, res) => {