diff --git a/seahub/auth/tokens.py b/seahub/auth/tokens.py
index 80a0f59511..14cb05dddc 100644
--- a/seahub/auth/tokens.py
+++ b/seahub/auth/tokens.py
@@ -1,11 +1,11 @@
 # Copyright (c) 2012-2016 Seafile Ltd.
 from datetime import date
-from django.conf import settings
 from django.utils.http import int_to_base36, base36_to_int
 from django.utils.crypto import constant_time_compare, salted_hmac
 import six
 from seahub.base.models import UserLastLogin
 
+
 class PasswordResetTokenGenerator(object):
     """
     Strategy object used to generate and check tokens for the password
@@ -38,7 +38,7 @@ class PasswordResetTokenGenerator(object):
             return False
 
         # Check the timestamp is within limit
-        if (self._num_days(self._today()) - ts) > settings.PASSWORD_RESET_TIMEOUT_DAYS:
+        if (self._num_days(self._today()) - ts) > 3:
             return False
 
         return True
@@ -77,4 +77,5 @@ class PasswordResetTokenGenerator(object):
         # Used for mocking in tests
         return date.today()
 
+
 default_token_generator = PasswordResetTokenGenerator()