From 9dfdeb05a7df0d8428c1ffdc9809d1ce855dafbc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Sun, 3 Aug 2025 13:50:40 +0200
Subject: [PATCH] [dl:ytdl] don't overwrite existing filenames (#7964)

---
 gallery_dl/downloader/ytdl.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gallery_dl/downloader/ytdl.py b/gallery_dl/downloader/ytdl.py
index 69a59ffc..9659782c 100644
--- a/gallery_dl/downloader/ytdl.py
+++ b/gallery_dl/downloader/ytdl.py
@@ -109,7 +109,11 @@ class YoutubeDLDownloader(DownloaderBase):
 
     def _download_video(self, ytdl_instance, pathfmt, info_dict):
         if "url" in info_dict:
-            text.nameext_from_url(info_dict["url"], pathfmt.kwdict)
+            if "filename" in pathfmt.kwdict:
+                pathfmt.kwdict["extension"] = \
+                    text.ext_from_url(info_dict["url"])
+            else:
+                text.nameext_from_url(info_dict["url"], pathfmt.kwdict)
 
         formats = info_dict.get("requested_formats")
         if formats and not compatible_formats(formats):