diff --git a/taiga/auth/backends.py b/taiga/auth/backends.py
index 6ae48ba3..2c10c314 100644
--- a/taiga/auth/backends.py
+++ b/taiga/auth/backends.py
@@ -88,7 +88,7 @@ class Token(BaseAuthentication):
         user = get_user_for_token(token, "authentication",
                                   max_age=max_age_auth_token)
 
-        if user.last_login < (timezone.now() - timedelta(minutes=1)):
+        if user.last_login is None or user.last_login < (timezone.now() - timedelta(minutes=1)):
             user.last_login = timezone.now()
             user.save(update_fields=["last_login"])