diff --git a/redditbot.py b/redditbot.py
index 48c90a9..a7c595c 100644
--- a/redditbot.py
+++ b/redditbot.py
@@ -14,6 +14,7 @@ from itertools import zip_longest
 from urllib.parse import urlparse, urlunparse, urljoin
 import yaml
 import asyncpraw
+from asyncprawcore.exceptions import NotFound
 import aiohttp
 import aiocron
 from bs4 import BeautifulSoup
@@ -157,9 +158,8 @@ async def main():
         timeout = chat_data.get('timeout')
 
         give_ups = set()
-        async def _get_submission(unique_id):
+        async def _get_submission(unique_id, subreddit):
             while unique_id not in give_ups:
-                subreddit = await reddit.subreddit(random.choice(subreddits))
                 random_post = await subreddit.random()
                 cpid = cpp = None
                 if random_post is None:
@@ -224,14 +224,22 @@ async def main():
 
         @aiocron.crontab(cron_duration)
         async def start_post():
+            ignore_subreddits = set()
             while True:
                 unique_id = time.time()
+                unignored_subreddits = [i for i in subreddits if i not in ignore_subreddits]
+                if not unignored_subreddits:
+                    return
+                subreddit = await reddit.subreddit(random.choice(unignored_subreddits))
                 try:
-                    result = await asyncio.wait_for(_get_submission(unique_id), timeout)
+                    result = await asyncio.wait_for(_get_submission(unique_id, subreddit), timeout)
                 except asyncio.TimeoutError:
                     give_ups.add(unique_id)
                     logging.error('%s timed out', chat)
                     return
+                except NotFound:
+                    ignore_subreddits.add(subreddit.display_name)
+                    logging.error('%s returned 404 (banned?)', subreddit.display_name)
                 except Exception:
                     give_ups.add(unique_id)
                     logging.exception(chat)