diff --git a/youtube_dl/extractor/acidcow.py b/youtube_dl/extractor/acidcow.py
index d6b87f0c8..be3a1b100 100644
--- a/youtube_dl/extractor/acidcow.py
+++ b/youtube_dl/extractor/acidcow.py
@@ -10,7 +10,11 @@ class acidcowIE(InfoExtractor):
     used to implement playlists or other content.
     """
     # _VALID_URL = r'https?://app.matter.online/tracks/((?P<id>\d+)-(?P<title>\S+))/?'
-    _VALID_URL = r'https?://acidcow.com/video/([0-9]+-(?P<title>\s+))/?'
+    # VALID_URL = r'https?://acidcow.com/video/([0-9]+-(?P<title>\S+))/?'
+    # # r'https://cdn.acidcow.com/pics/%s/video/(\S+)' % video_id, video_id
+    # r'<video src="https://cdn.acidcow.com/pics/([0-9]+/(?P<title>\S+))"/>',
+
+    _VALID_URL = r'https?://acidcow\.com/video/[0-9]+\S+'
     _TESTS = {
         # TODO: Implement
 
@@ -19,12 +23,13 @@ class acidcowIE(InfoExtractor):
     def _real_extract(self, url):
         video_id = self._match_id(url)
         webpage = self._download_webpage(
-            r'https://cdn.acidcow.com/pics/%s/video/(\S+)' % video_id, video_id
+            r'https?://cdn\.acidcow\.com/pics/[0-9]+/video/\S', video_id
         )
 
         title = self._html_search_regex(r'<title>(.+?)</title>', webpage, 'title')
         download_url = self._html_search_regex(
-            r'<video src="https://cdn.acidcow.com/pics/([0-9]+/(?P<title>\s+))"/>',
+
+            r'<video src="https?://cdn\.acidcow\.com/pics/[0-9]+/video/\S+" .+',
 
             webpage, "download_url"
         )