diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index b86d06523..b928e24be 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1145,7 +1145,7 @@ class InfoExtractor(object):
                 formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds'))
                 continue
 
-            if src_url.startswith('http'):
+            if src_url.startswith('http') and self._is_valid_url(src, video_id):
                 http_count += 1
                 formats.append({
                     'url': src_url,