diff --git a/twspace_dl/twspace_dl.py b/twspace_dl/twspace_dl.py
index f973d88..c4c4d66 100644
--- a/twspace_dl/twspace_dl.py
+++ b/twspace_dl/twspace_dl.py
@@ -104,6 +104,9 @@ def download(self) -> None:
         if not shutil.which("ffmpeg"):
             raise FileNotFoundError("ffmpeg not installed")
         space = self.space
+        if os.path.exists(self.filename + ".m4a"):
+            logging.info("%s has already been downloaded", self.filename + ".m4a")
+            return
         self.write_playlist(save_dir=self._tempdir.name)
         state = space["state"]