diff --git a/backend.py b/backend.py
index 0578bc9..19d23db 100755
--- a/backend.py
+++ b/backend.py
@@ -6,8 +6,8 @@ import time
 import sendmail
 from db import DB
 
-from retootbot import RetootBot
-from retweetbot import RetweetBot
+from mastodonbot import MastodonBot
+from twitterbot import TwitterBot
 from mailbot import Mailbot
 from trigger import Trigger
 
@@ -23,8 +23,8 @@ def get_users(db):
 def init_bots(config, logger, db, users):
     for uid in users:
         users[uid].append(Trigger(config, uid, db))
-        users[uid].append(RetootBot(config, logger, uid, db))
-        users[uid].append(RetweetBot(config, logger, uid, db))
+        users[uid].append(MastodonBot(config, logger, uid, db))
+        users[uid].append(TwitterBot(config, logger, uid, db))
         users[uid].append(Mailbot(config, logger, uid, db))
     return users
 
@@ -46,7 +46,7 @@ def run():
                 for bot in users[uid]:
                     reports = bot.crawl()
                     for status in reports:
-                        if not trigger.is_ok(status.text):
+                        if not users[uid][0].is_ok(status.text):
                             continue
                         for bot2 in users[uid]:
                             if bot == bot2:
diff --git a/retootbot.py b/mastodonbot.py
similarity index 95%
rename from retootbot.py
rename to mastodonbot.py
index 705ee3a..152f01e 100755
--- a/retootbot.py
+++ b/mastodonbot.py
@@ -9,7 +9,7 @@ import report
 from user import User
 
 
-class RetootBot(object):
+class MastodonBot(object):
     def __init__(self, config, logger, uid, db):
         self.config = config
         self.logger = logger
@@ -35,11 +35,11 @@ class RetootBot(object):
         """
         mentions = []
         try:
-            all = self.m.notifications()
+            notifications = self.m.notifications()
         except:  # mastodon.Mastodon.MastodonAPIError is unfortunately not in __init__.py
             self.logger.error("Unknown Mastodon API Error.", exc_info=True)
             return mentions
-        for status in all:
+        for status in notifications:
             if status['type'] == 'mention' and status['status']['id'] > self.seen_toots:
                 # save state
                 self.seen_toots = status['status']['id']
@@ -94,7 +94,7 @@ if __name__ == '__main__':
     config = backend.get_config()
 
     trigger = trigger.Trigger(config)
-    bot = RetootBot(config)
+    bot = MastodonBot(config)
 
     try:
         while True:
diff --git a/retweetbot.py b/twitterbot.py
similarity index 99%
rename from retweetbot.py
rename to twitterbot.py
index d9e44e3..9eeb87c 100755
--- a/retweetbot.py
+++ b/twitterbot.py
@@ -8,7 +8,7 @@ import report
 from user import User
 
 
-class RetweetBot(object):
+class TwitterBot(object):
     """
     This bot retweets all tweets which
     1) mention him,
@@ -190,7 +190,7 @@ if __name__ == "__main__":
     trigger = trigger.Trigger(config)
 
     # initialise twitter bot
-    bot = RetweetBot(config)
+    bot = TwitterBot(config)
 
     try:
         while True: