From 26603d0b34898818992bee4598e0607c07059511 Mon Sep 17 00:00:00 2001
From: sepro <4618135+seproDev@users.noreply.github.com>
Date: Mon, 27 May 2024 00:06:34 +0200
Subject: [PATCH] [ie] Fix parsing of base URL in SMIL manifest (#9225)

Authored by: seproDev
---
 yt_dlp/extractor/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index b99b7e5ab2..1d2c443c0b 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -2451,7 +2451,7 @@ def _parse_smil_formats_and_subtitles(
                     })
                 continue
 
-            src_url = src if src.startswith('http') else urllib.parse.urljoin(base, src)
+            src_url = src if src.startswith('http') else urllib.parse.urljoin(f'{base}/', src)
             src_url = src_url.strip()
 
             if proto == 'm3u8' or src_ext == 'm3u8':