diff --git a/scdl/scdl.py b/scdl/scdl.py
index 26acfaf..d53fe2c 100755
--- a/scdl/scdl.py
+++ b/scdl/scdl.py
@@ -455,7 +455,7 @@ def download_track(track, playlist_name=None, playlist_file=None):
             logger.info('The original file has no download left.')
             filename = get_filename(track, title)
         else:
-            if r.headers['content-disposition']:
+            if r.headers.get('content-disposition'):
                 d = r.headers['content-disposition']
                 filename = re.findall("filename=(.+)", d)[0][1:-1]
                 filename = get_filename(track, filename, True)