diff --git a/build_library.py b/build_library.py
index 0949ccf..5029e25 100644
--- a/build_library.py
+++ b/build_library.py
@@ -30,7 +30,7 @@ def read_track(filepath):
 		'title': t.title,
 		'date': t.year,
 		'discnumber': str(t.disc),
-		'tracknumber': str(t.track),
+		'tracknumber': str(t.track).zfill(2),
 		'genre': t.genre,
 		'duration': t.duration,
 		'last_modified': os.path.getmtime(filepath)
diff --git a/fix_zpad.py b/fix_zpad.py
new file mode 100644
index 0000000..ccd6f19
--- /dev/null
+++ b/fix_zpad.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+"""
+TinyTag autocasts the tracknumber and discnumber tags to ints, which I fixed
+by re-casting them to strs. I forgot to include the zeropadding when I did
+that. This script fixes that in the database.
+"""
+import asyncio
+
+import asyncpg
+
+import config
+
+
+async def fix_zpad():
+	db_pool = await asyncpg.create_pool(**config.db)
+	async with db_pool.acquire() as conn:
+		tracks = await conn.fetch("SELECT filepath, tracknumber FROM track")
+
+		data = [(t['filepath'], t['tracknumber'].zfill(2)) for t in tracks]
+
+		stmt = await conn.prepare("UPDATE track SET tracknumber = $2 WHERE filepath = $1")
+		await stmt.executemany(data)
+	print("Done.")
+
+if __name__ == '__main__':
+	asyncio.run(fix_zpad())