diff --git a/youtube_dl/extractor/dropout.py b/youtube_dl/extractor/dropout.py
index b2fcd2ab6..1bc7a4f8d 100644
--- a/youtube_dl/extractor/dropout.py
+++ b/youtube_dl/extractor/dropout.py
@@ -14,7 +14,7 @@ class DropoutIE(VHXEmbedIE):
     _NETRC_MACHINE = 'dropouttv'
     _LOGIN_URL = 'https://www.dropout.tv/login'
     _LOGOUT_URL = 'https://www.dropout.tv/logout'
-    _VALID_URL = r'https://www\.dropout\.tv/(?:[^/]+/(?:season:[^/]/))?videos/(?P<id>.+)'
+    _VALID_URL = r'https://www\.dropout\.tv/(?:[^/]+/(?:season:[^/]/)?)?videos/(?P<id>.+)'
     _TESTS = [
         {
             'url': 'https://www.dropout.tv/dimension-20-tiny-heist/season:1/videos/big-little-crimes',