diff --git a/youtube_dl/extractor/smashcast.py b/youtube_dl/extractor/smashcast.py
index 6a0c86405..edcb243c9 100644
--- a/youtube_dl/extractor/smashcast.py
+++ b/youtube_dl/extractor/smashcast.py
@@ -130,7 +130,7 @@ class SmashcastIE(InfoExtractor):
 
 class SmashcastLiveIE(SmashcastIE):
     IE_NAME = 'smashcast:live'
-    _VALID_URL = r'https?://(?:www\.)?smashcast\.tv/(?!video)(?P<id>.+)'
+    _VALID_URL = r'https?://(?:www\.)?smashcast\.tv/?P<id>[\w\d\-]+)/?$'
     _TEST = {
         'url': 'http://www.smashcast.tv/dimak',
         'info_dict': {