From cc97fb169ff92b7ca809951ec757196bb60bfb0f Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Sun, 23 Jul 2017 06:08:58 +0300
Subject: [PATCH] Fix default filters generator.

---
 aiogram/dispatcher/filters.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aiogram/dispatcher/filters.py b/aiogram/dispatcher/filters.py
index 4907a802..34d3a4a8 100644
--- a/aiogram/dispatcher/filters.py
+++ b/aiogram/dispatcher/filters.py
@@ -95,7 +95,7 @@ def generate_default_filters(*args, **kwargs):
     filters_set = []
 
     for name, filter_ in kwargs.items():
-        if filter_ is None:
+        if not filter_:
             continue
         if name == 'commands':
             if isinstance(filter_, str):