diff --git a/fbchat/client.py b/fbchat/client.py
index 17b79ee..f1fa8da 100644
--- a/fbchat/client.py
+++ b/fbchat/client.py
@@ -19,6 +19,12 @@ from bs4 import BeautifulSoup as bs
 from .utils import *
 from .models import *
 
+# URLs
+LoginURL   ="https://m.facebook.com/login.php?login_attempt=1"
+SearchURL  ="https://www.facebook.com/ajax/typeahead/search.php"
+SendURL    ="https://www.facebook.com/ajax/mercury/send_messages.php"
+MessagesURL="https://www.facebook.com/ajax/mercury/threadlist_info.php"
+
 class Client(object):
     """A client for the Facebook Chat (Messenger).
 
@@ -81,13 +87,13 @@ class Client(object):
         if not (self.email and self.password):
             raise Exception("id and password or config is needed")
 
-        soup = bs(self._get("https://m.facebook.com/").text)
+        soup = bs(self._get("https://m.facebook.com/").text, "lxml")
         data = dict((elem['name'], elem['value']) for elem in soup.findAll("input") if elem.has_attr('value') and elem.has_attr('name'))
         data['email'] = self.email
         data['pass'] = self.password
         data['login'] = 'Log In'
 
-        r = self._post("https://m.facebook.com/login.php?login_attempt=1", data)
+        r = self._post(LoginURL, data)
         self.r = r
 
         if 'home' in r.url:
@@ -146,7 +152,7 @@ class Client(object):
             '__rev' : self.rev,
         }
 
-        r = self._get("https://www.facebook.com/ajax/typeahead/search.php", payload)
+        r = self._get(SearchURL, payload)
         self.j = j = get_json(r.text)
         self.r = r
 		
@@ -192,9 +198,10 @@ class Client(object):
             'message_batch[0][has_attachment]' : False
         }
 
-        r = self._post("https://www.facebook.com/ajax/mercury/send_messages.php", data)
+        r = self._post(SendURL, data)
         return r.ok
 
+
     def getThreadList(self, start, end=None):
         if not end:
             end = start + 20
@@ -213,8 +220,8 @@ class Client(object):
             'inbox[limit]' : end,
         }
 
-        r = self._post("https://www.facebook.com/ajax/mercury/threadlist_info.php", data)
-        if not r.ok:
+        r = self._post(MessagesURL, data)
+        if not r.ok or len(r.text) == 0:
             return None
 
         j = get_json(r.text)