diff --git a/main.py b/main.py
index b7b6a1e..380ca24 100644
--- a/main.py
+++ b/main.py
@@ -26,6 +26,7 @@ dp = Dispatcher(bot)
 async def check_updates():
     async with redis.lock('e621:update'):
         tag_list = [t.decode() for t in await redis.smembers('e621:subs')]
+        tag_list.sort()
         for tl_idx in range(0, len(tag_list), 40):
             tags = ' '.join(f'~{tag}' for tag in tag_list[tl_idx: tl_idx + 40])
             posts = await e621.get_posts(tags)