diff --git a/youtube_dl/extractor/vk.py b/youtube_dl/extractor/vk.py
index 50d352a4f..f42bf5f44 100644
--- a/youtube_dl/extractor/vk.py
+++ b/youtube_dl/extractor/vk.py
@@ -16,7 +16,7 @@ from ..utils import (
 
 class VKIE(InfoExtractor):
     IE_NAME = 'vk.com'
-    _VALID_URL = r'https?://vk\.com/(?:video_ext\.php\?.*?\boid=(?P<oid>-?\d+).*?\bid=(?P<id>\d+)|(?:.+?z=)?video-?)?(?P<videoid>[0-9_]+)?(?:\?|%2F|$)?'
+    _VALID_URL = r'https?://(?P<mobile>m\.)?vk\.com/(?:video_ext\.php\?.*?\boid=(?P<oid>-?\d+).*?\bid=(?P<id>\d+)|(?:.+?z=)?video-?)?(?P<videoid>[0-9_]+)?(?:\?|%2F|$)?'
     _NETRC_MACHINE = 'vk'
 
     _TESTS = [