diff --git a/youtube_dl/extractor/ukdevilz.py b/youtube_dl/extractor/ukdevilz.py
index 9fd2b1ff7..e3b5e0559 100644
--- a/youtube_dl/extractor/ukdevilz.py
+++ b/youtube_dl/extractor/ukdevilz.py
@@ -9,7 +9,7 @@ from ..compat import compat_urlparse
 
 
 class UKDevilzIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?ukdevilz\.com/watch/-(?P<id>[\d]*_[\d]*)'
+    _VALID_URL = r'https?://(?:www\.)?ukdevilz\.com/watch/(-)?(?P<id>[\d]*_[\d]*)'
     IE_DESC = 'UKDEVILZ'
     _TEST = {
         'url': 'https://ukdevilz.com/watch/-160418850_456239050',