diff --git a/youtube_dl/extractor/spankbang.py b/youtube_dl/extractor/spankbang.py
index 72828978c..9277ab825 100644
--- a/youtube_dl/extractor/spankbang.py
+++ b/youtube_dl/extractor/spankbang.py
@@ -108,7 +108,7 @@ class SpankBangIE(InfoExtractor):
                 })
 
             for format_id, format_url in stream.items():
-                if format_id.startswith(STREAM_URL_PREFIX):
+                if format_id in ('240p','320p','480p','720p','1080p','4k'):
                     if format_url and isinstance(format_url, list):
                         format_url = format_url[0]
                     extract_format(