diff --git a/backend/config.py b/backend/config.py
index 964f0b9..a872bc3 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -14,9 +14,10 @@ class Config:
         self.cookies_dir = Path(os.getenv('COOKIES_DIR') or 'cookies')
 
         self.tmpl = os.path.join(
-            # `artists.0` instead of `artist`, because the latter can contain "feat. ..."
-            os.getenv('ALBUM_PATH_TMPL') or 'music/%(artists.0)s/%(album)s',
-            os.getenv('TRACK_FILE_TMPL') or '%(track)s.%(ext)s',
+            # 1. `artists.0` instead of `artist`, because the latter can contain "feat. ..."
+            # 2. as for %(field)S, see https://git.dc09.ru/DarkCat09/musicdlp/issues/3#issuecomment-210
+            os.getenv('ALBUM_PATH_TMPL') or 'music/%(artists.0)S/%(album)S',
+            os.getenv('TRACK_FILE_TMPL') or '%(track)S.%(ext)s',
         )
 
         # Proxy URL for yt_proxied downloader (can be used for geo-restricted content)