diff --git a/main.py b/main.py
index a5d68fb..8dfdee5 100644
--- a/main.py
+++ b/main.py
@@ -110,7 +110,7 @@ async def check_updates():
             if not posts:
                 return
             already_sent = await redis.smismember('e621:sent', [p.id for p in posts])
-            for i in range(len(posts)):
+            for i in list(range(len(posts)))[::-1]:
                 if already_sent[i]:
                     continue
                 await send_post(posts[i], tag_list)