diff --git a/youtube_dl/extractor/heise.py b/youtube_dl/extractor/heise.py
index eca5b5267..3039ac015 100644
--- a/youtube_dl/extractor/heise.py
+++ b/youtube_dl/extractor/heise.py
@@ -58,7 +58,8 @@ class HeiseIE(InfoExtractor):
     def _real_extract(self, url):
         mobile_url = re.sub(r'^(https?://)(?:www\.)?', r'\1m.', url)
         video_id = self._match_id(mobile_url)
-        webpage = self._download_webpage(mobile_url, video_id)
+        webpage = self._download_webpage(url, video_id)
+        mobile_webpage = self._download_webpage(mobile_url, video_id)
 
         title = self._html_search_meta('fulltitle', webpage, default=None)
         if not title or title == "c't":
@@ -72,10 +73,10 @@ class HeiseIE(InfoExtractor):
 
         container_id = self._search_regex(
             r'<div class="videoplayerjw"[^>]+data-container="([0-9]+)"',
-            webpage, 'container ID')
+            mobile_webpage, 'container ID')
         sequenz_id = self._search_regex(
             r'<div class="videoplayerjw"[^>]+data-sequenz="([0-9]+)"',
-            webpage, 'sequenz ID')
+            mobile_webpage, 'sequenz ID')
 
         doc = self._download_xml(
             'http://www.heise.de/videout/feed', video_id, query={
@@ -100,7 +101,7 @@ class HeiseIE(InfoExtractor):
 
         description = self._og_search_description(
             webpage, default=None) or self._html_search_meta(
-            'description', webpage, default=None)
+            'description', webpage)
 
         return {
             'id': video_id,
@@ -109,6 +110,6 @@ class HeiseIE(InfoExtractor):
             'thumbnail': (xpath_text(doc, './/{http://rss.jwpcdn.com/}image') or
                           self._og_search_thumbnail(webpage)),
             'timestamp': parse_iso8601(
-                self._html_search_meta('date', webpage, default=None)),
+                self._html_search_meta('date', webpage)),
             'formats': formats,
         }