diff --git a/yt_dlp/extractor/shemaroome.py b/yt_dlp/extractor/shemaroome.py
index f6955181b8..3ab322f67d 100644
--- a/yt_dlp/extractor/shemaroome.py
+++ b/yt_dlp/extractor/shemaroome.py
@@ -68,7 +68,7 @@ class ShemarooMeIE(InfoExtractor):
             raise ExtractorError('Premium videos cannot be downloaded yet.', expected=True)
         url_data = base64.b64decode(data_json['new_play_url'])
         key = base64.b64decode(data_json['key'])
-        iv = bytes([0] * 16)
+        iv = bytes(16)
         m3u8_url = unpad_pkcs7(aes_cbc_decrypt_bytes(url_data, key, iv)).decode('ascii')
         headers = {'stream_key': data_json['stream_key']}
         formats, m3u8_subs = self._extract_m3u8_formats_and_subtitles(m3u8_url, video_id, fatal=False, headers=headers)