diff --git a/src/catchup.py b/src/catchup.py
index 748ef82..390ea42 100644
--- a/src/catchup.py
+++ b/src/catchup.py
@@ -81,10 +81,15 @@ async def process_queue(priority_tweet_ids: list[str]=None) -> bool:
     try:
         while not queue.is_empty():
             ttweet = queue.get_next_ttweet()
+            if ttweet.tweet_id in queue.finished_ttweets:
+                print('skipping finished tweet...')
+                queue.good(ttweet.tweet_id)
+                continue
+
             tweet_was_successful = await TwAPI.instance.post_ttweet(ttweet)
             
             print('running queue.good()...')
-            queue.good()
+            queue.good(ttweet.tweet_id)
             if tweet_was_successful:
                 ttweets_posted += 1
                 print(f'({ttweets_posted}/{queued_ttweets_count}) done')
diff --git a/src/ttweetqueue.py b/src/ttweetqueue.py
index 7880e5d..bfaca46 100644
--- a/src/ttweetqueue.py
+++ b/src/ttweetqueue.py
@@ -22,7 +22,7 @@ class TalentTweetQueue:
         self.__sorted = False
         self.finished_user_dates: dict[int, str] = dict()
         self.ttweets_dict: dict[int, tt.TalentTweet] = dict()
-        self.finished_ttweets: list[int] = list()
+        self.finished_ttweets: set[int] = set()
 
         ## file check, backup copy
         if os.path.exists(self.queue_backup_path):
@@ -74,7 +74,7 @@ class TalentTweetQueue:
         try:
             with open(self.finished_ttweets_path, 'r') as f:
                 for line in f:
-                    self.finished_ttweets.append(int(line))
+                    self.finished_ttweets.add(int(line))
         except: pass
 
 
@@ -102,12 +102,11 @@ class TalentTweetQueue:
     
     ## Call when the TalentTweet retrieved from get_next_ttweet() was
     #  posted successfully.
-    def good(self):
-        with open(self.current_ttweet_path, 'r') as f:
-            ttweet = tt.TalentTweet.deserialize(f.readline())
+    def good(self, tweet_id: int):
+        try: os.remove(self.current_ttweet_path)
+        except: pass
 
-        self.add_finished_tweet(ttweet.tweet_id)
-        os.remove(self.current_ttweet_path)
+        self.add_finished_tweet(tweet_id)
         self.save_file()
         self.is_good = True
     
@@ -129,7 +128,7 @@ class TalentTweetQueue:
         print('done')
 
     def add_finished_tweet(self, id):
-        self.finished_ttweets.append(id)
+        self.finished_ttweets.add(id)
         with open(self.finished_ttweets_path, 'a') as f:
             f.write(f'{id}\n')