@@ -1633,13 +1633,14 @@ def _build_attr_header(local_list, src):

             pass

     if attrs:

-        result = ""

+        attr_str_list = []

         for k in sorted(attrs.keys()):

-            result += "%s:%s/" % (k, attrs[k])

-        return {'x-amz-meta-s3cmd-attrs' : result[:-1]}

+            attr_str_list.append(u"%s:%s" % (k, attrs[k]))

+        attr_header = {'x-amz-meta-s3cmd-attrs': u'/'.join(attr_str_list)}

     else:

-        return {}

+        attr_header = {}

+    return attr_header

 def cmd_sync_local2remote(args):

     cfg = Config()