diff --git a/youtube_dl/extractor/traileraddict.py b/youtube_dl/extractor/traileraddict.py
index 3f597737b..35f89e9ee 100644
--- a/youtube_dl/extractor/traileraddict.py
+++ b/youtube_dl/extractor/traileraddict.py
@@ -8,7 +8,7 @@ class TrailerAddictIE(InfoExtractor):
     _TEST = {
         u'url': u'http://www.traileraddict.com/trailer/prince-avalanche/trailer',
         u'file': u'76184.mp4',
-        u'md5': u'41365557f3c8c397d091da510e73ceb4',
+        u'md5': u'57e39dbcf4142ceb8e1f242ff423fd71',
         u'info_dict': {
             u"title": u"Prince Avalanche Trailer",
             u"description": u"Trailer for Prince Avalanche.Two highway road workers spend the summer of 1988 away from their city lives. The isolated landscape becomes a place of misadventure as the men find themselves at odds with each other and the women they left behind."
@@ -19,22 +19,28 @@ class TrailerAddictIE(InfoExtractor):
         mobj = re.match(self._VALID_URL, url)
         name = mobj.group('movie') + '/' + mobj.group('trailer_name')
         webpage = self._download_webpage(url, name)
-        
+
         title = self._search_regex(r'<title>(.+?)</title>',
                 webpage, 'video title').replace(' - Trailer Addict','')
         view_count = self._search_regex(r'Views: (.+?)<br />',
                 webpage, 'Views Count')
         video_id = self._og_search_property('video', webpage, 'Video id').split('=')[1]
 
-        info_url = "http://www.traileraddict.com/fvar.php?tid=%s" %(str(video_id))
+        # Presence of (no)watchplus function indicates HD quality is available
+        if re.search(r'function (no)?watchplus()', webpage):
+            fvar = "fvarhd"
+        else:
+            fvar = "fvar"
+
+        info_url = "http://www.traileraddict.com/%s.php?tid=%s" % (fvar, str(video_id))
         info_webpage = self._download_webpage(info_url, video_id , "Downloading the info webpage")
-        
+
         final_url = self._search_regex(r'&fileurl=(.+)',
                 info_webpage, 'Download url').replace('%3F','?')
         thumbnail_url = self._search_regex(r'&image=(.+?)&',
                 info_webpage, 'thumbnail url')
         ext = final_url.split('.')[-1].split('?')[0]
-        
+
         return [{
             'id'          : video_id,
             'url'         : final_url,