diff --git a/youtube_dl/extractor/yourporn.py b/youtube_dl/extractor/yourporn.py
index 8a2d5f63bd..98347491ee 100644
--- a/youtube_dl/extractor/yourporn.py
+++ b/youtube_dl/extractor/yourporn.py
@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 from .common import InfoExtractor
+from ..compat import compat_str
 from ..utils import (
     parse_duration,
     urljoin,
@@ -8,9 +9,9 @@
 
 
 class YourPornIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?(?:yourporn\.sexy|sxyprn\.com)/post/(?P<id>[^/?#&.]+)'
+    _VALID_URL = r'https?://(?:www\.)?sxyprn\.com/post/(?P<id>[^/?#&.]+)'
     _TESTS = [{
-        'url': 'https://yourporn.sexy/post/57ffcb2e1179b.html',
+        'url': 'https://sxyprn.com/post/57ffcb2e1179b.html',
         'md5': '6f8682b6464033d87acaa7a8ff0c092e',
         'info_dict': {
             'id': '57ffcb2e1179b',
@@ -33,11 +34,19 @@ def _real_extract(self, url):
 
         webpage = self._download_webpage(url, video_id)
 
-        video_url = urljoin(url, self._parse_json(
+        parts = self._parse_json(
             self._search_regex(
                 r'data-vnfo=(["\'])(?P<data>{.+?})\1', webpage, 'data info',
                 group='data'),
-            video_id)[video_id]).replace('/cdn/', '/cdn5/')
+            video_id)[video_id].split('/')
+
+        num = 0
+        for c in parts[6] + parts[7]:
+            if c.isnumeric():
+                num += int(c)
+        parts[5] = compat_str(int(parts[5]) - num)
+        parts[1] += '8'
+        video_url = urljoin(url, '/'.join(parts))
 
         title = (self._search_regex(
             r'<[^>]+\bclass=["\']PostEditTA[^>]+>([^<]+)', webpage, 'title',
@@ -54,4 +63,5 @@ def _real_extract(self, url):
             'thumbnail': thumbnail,
             'duration': duration,
             'age_limit': 18,
+            'ext': 'mp4',
         }