diff --git a/youtube_dl/extractor/dcn.py b/youtube_dl/extractor/dcn.py
index 5263def4c6..f76ebda9e5 100644
--- a/youtube_dl/extractor/dcn.py
+++ b/youtube_dl/extractor/dcn.py
@@ -30,10 +30,9 @@ def _real_extract(self, url):
             video_id
         )
         m3u8_url = self._html_search_regex(
-            r'file: "(?P<m3u8_url>.*?)"',
+            r'file:\s*"([^"]+)',
             webpage,
-            'm3u8_url',
-            group='m3u8_url'
+            'm3u8_url'
         )
         formats = self._extract_m3u8_formats(m3u8_url, video_id)
         return {