diff --git a/utils/feedparser.py b/utils/feedparser.py
index 5e6b9cecd..8fdf5a0eb 100755
--- a/utils/feedparser.py
+++ b/utils/feedparser.py
@@ -9,7 +9,7 @@ Required: Python 2.4 or later
 Recommended: iconv_codec <http://cjkpython.i18n.org/>
 """
 
-__version__ = "5.1"
+__version__ = "5.1.1"
 __license__ = """
 Copyright (c) 2010-2012 Kurt McKee <contactme@kurtmckee.org>
 Copyright (c) 2002-2008 Mark Pilgrim
@@ -3834,6 +3834,8 @@ def parse(url_file_stream_or_string, etag=None, modified=None, agent=None, refer
         elif zlib and 'deflate' in http_headers.get('content-encoding', ''):
             try:
                 data = zlib.decompress(data)
+            except zlib.error, e:
+                data = zlib.decompress(data, -zlib.MAX_WBITS)
             except zlib.error, e:
                 result['bozo'] = 1
                 result['bozo_exception'] = e
@@ -3924,10 +3926,7 @@ def parse(url_file_stream_or_string, etag=None, modified=None, agent=None, refer
             break
     # if no luck and we have auto-detection library, try that
     if (not known_encoding) and chardet:
-        # import pdb; pdb.set_trace()
-        proposed_encoding = chardet.detect(data)['encoding']
-        if proposed_encoding:
-            proposed_encoding = unicode(proposed_encoding, 'ascii', 'ignore')
+        proposed_encoding = unicode(chardet.detect(data)['encoding'], 'ascii', 'ignore')
         if proposed_encoding and (proposed_encoding not in tried_encodings):
             tried_encodings.append(proposed_encoding)
             try:
@@ -4010,4 +4009,4 @@ def parse(url_file_stream_or_string, etag=None, modified=None, agent=None, refer
     result['entries'] = feedparser.entries
     result['version'] = result['version'] or feedparser.version
     result['namespaces'] = feedparser.namespacesInUse
-    return result
\ No newline at end of file
+    return result