diff --git a/youtube_dl/extractor/mildom.py b/youtube_dl/extractor/mildom.py
index 45c67edb2..55e01140d 100644
--- a/youtube_dl/extractor/mildom.py
+++ b/youtube_dl/extractor/mildom.py
@@ -10,41 +10,41 @@ from ..utils import try_get
 
 class MildomIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?mildom\.com/playback/(?P<channel>[0-9]+)\?v_id=(?P<id>[-0-9]+)'
-    _VIDEO_INFO_BASE_URL = 'https://cloudac.mildom.com/nonolive/videocontent/playback/getPlaybackDetail'
+    _VIDEO_INFO_BASE_URL = 'https://cloudac.mildom.com/nonolive/videocontent/playback/getPlaybackDetail?v_id=%s'
     _TEST = {
         'url': 'https://www.mildom.com/playback/10819667?v_id=10819667-1594032863',
         'md5': 'bed067a7dff3492184bd06d6131dd8be',
         'info_dict': {
             'id': '10819667-1594032863',
             'ext': 'mp4',
-            'title': '月曜!雀荘ほめちぎり　#1',
+            'title': '月曜!雀荘ほめちぎり　#1　【麻雀】',
             'thumbnail': r're:^https?://.*\.png$',
             'description': '#1 記念すべき初回の出演者は声優の高木美佑さんとVtuber界の麻雀つよつよ先生こと千羽黒乃さん！\nMildom公式番組『麻雀番組』毎週月曜に生放送！\n麻雀アプリも使った視聴者対戦型麻雀バラエティ！',
-            'uploader': '月曜！雀荘ほめちぎり'
+            'uploader': '月曜！雀荘ほめちぎり【麻雀】'
         }
     }
 
     def _real_extract(self, url):
         channel_id, video_id = re.match(self._VALID_URL, url).groups()
 
-        webpage = self._download_webpage(url, video_id)
         video_data = self._download_json(
-            self._VIDEO_INFO_BASE_URL + '?v_id=%s' % video_id, video_id)
+            self._VIDEO_INFO_BASE_URL % video_id, video_id)
         playback_data = video_data['body']['playback']
 
         video_url = playback_data['source_url']
         description = playback_data.get('video_intro')
         uploader = try_get(playback_data, lambda x: x['author_info']['login_name'], compat_str)
         title = playback_data.get('title')
-        if not title:
-            title = self._html_search_meta(
-                ['og:description', 'description'],
-                webpage, 'title', default=None)
         thumbnail = playback_data.get('video_pic')
-        if not thumbnail:
-            thumbnail = self._html_search_meta(
-                'og:image',
-                webpage, 'thumbnail', default=None)
+
+        if not title or not thumbnail:
+            webpage = self._download_webpage(url, video_id)
+            if not title:
+                title = self._html_search_meta(
+                    ['og:description', 'description'],
+                    webpage, 'title', default=None)
+            if not thumbnail:
+                thumbnail = self._og_search_thumbnail(webpage, default=None)
 
         return {
             'id': video_id,