diff --git a/yt_dlp/extractor/youtube/_base.py b/yt_dlp/extractor/youtube/_base.py
index c68996eeca..e575ce9562 100644
--- a/yt_dlp/extractor/youtube/_base.py
+++ b/yt_dlp/extractor/youtube/_base.py
@@ -125,6 +125,7 @@ INNERTUBE_CLIENTS = {
             'client': {
                 'clientName': 'WEB_EMBEDDED_PLAYER',
                 'clientVersion': '2.20260708.00.00',
+                'userAgent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15,gzip(gfe)',
             },
         },
         'INNERTUBE_CONTEXT_CLIENT_NAME': 56,
diff --git a/yt_dlp/extractor/youtube/_video.py b/yt_dlp/extractor/youtube/_video.py
index 290c3e4bde..3f9ebe0e71 100644
--- a/yt_dlp/extractor/youtube/_video.py
+++ b/yt_dlp/extractor/youtube/_video.py
@@ -3640,7 +3640,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     f['source_preference'] = -1
 
                 # Deprioritize since its pre-merged m3u8 formats may have lower quality audio streams
-                if client_name == 'web_safari' and proto == 'hls' and live_status != 'is_live':
+                if client_name in ('web_safari', 'web_embedded') and proto == 'hls' and live_status != 'is_live':
                     f['source_preference'] -= 1
 
                 if missing_pot: