diff --git a/fbchat/client.py b/fbchat/client.py
index 37c5138..1dbbe4c 100644
--- a/fbchat/client.py
+++ b/fbchat/client.py
@@ -230,11 +230,12 @@ class Client(object):
 
         r = self._cleanPost(LoginURL, data)
         
-
+        # Usually, 'Checkpoint' will refer to 2FA
         if 'checkpoint' in r.url:
             r = self._2FA(r)
 
-        if 'save-device' in r.url:
+        # Sometimes Facebook tries to show the user a "Save Device" dialog
+        if 'save-device' in r.url and 'Enter Security Code to Continue' in r.text:
             r = self._cleanGet(SaveDeviceURL)
 
         if 'home' in r.url: