diff --git a/yt_dlp/extractor/youtube/_video.py b/yt_dlp/extractor/youtube/_video.py
index 55ebdce1b..081ed6ac8 100644
--- a/yt_dlp/extractor/youtube/_video.py
+++ b/yt_dlp/extractor/youtube/_video.py
@@ -2820,6 +2820,10 @@ def _generate_player_context(cls, sts=None):
             context['signatureTimestamp'] = sts
         return {
             'playbackContext': {
+                'adPlaybackContext': {
+                    'pyv': True,
+                    'adType': 'AD_TYPE_INSTREAM',
+                },
                 'contentPlaybackContext': context,
             },
             **cls._get_checkok_params(),