diff --git a/src/cogs/auto_responder.py b/src/cogs/auto_responder.py
index 414777d..d43d3f3 100644
--- a/src/cogs/auto_responder.py
+++ b/src/cogs/auto_responder.py
@@ -66,7 +66,7 @@ class AutoResponder(commands.Cog):
             else:
                 self.log.info("No HEVC streams found in %s", uri)
                 return
-            with tempfile.NamedTemporaryFile(suffix=".mp4", delete=False, delete_on_close=False) as tmp:
+            with tempfile.NamedTemporaryFile(suffix=".mp4", delete=False) as tmp:
                 tmp_path = pathlib.Path(tmp.name)
                 self.log.info("Transcoding %r to %r", uri, tmp_path)
                 args = [