[kakao] Fix _VALID_URL

diff --git a/youtube_dl/extractor/kakao.py b/youtube_dl/extractor/kakao.py
index c9b438efc26ba71da7ded04d35228a194ffc23bb..7fa140b0ce299ce7cbd9fb3b2e9016d9be3286ff 100644 (file)
--- a/youtube_dl/extractor/kakao.py
+++ b/youtube_dl/extractor/kakao.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class KakaoIE(InfoExtractor):
-    _VALID_URL = r'https?://tv.kakao.com/channel/(?P<channel>\d+)/cliplink/(?P<id>\d+)'
+    _VALID_URL = r'https?://tv\.kakao\.com/channel/(?P<channel>\d+)/cliplink/(?P<id>\d+)'
     _API_BASE = 'http://tv.kakao.com/api/v1/ft/cliplinks'
 
     _TESTS = [{