diff --git a/src/extensions/tasks.py b/src/extensions/tasks.py
index 28a7fef..cd0aa5d 100644
--- a/src/extensions/tasks.py
+++ b/src/extensions/tasks.py
@@ -152,12 +152,18 @@ class TaskCog(commands.Cog):
         log.debug("filter result: %s", "blocked" if blocked else "ok")
 
         try:
-            await api.create_tracked_content(guid=article.guid, title=article.title, url=article.url, subscription=sub_id, blocked=blocked)
+            await api.create_tracked_content(
+                guid=article.guid,
+                title=article.title,
+                url=article.url,
+                subscription=sub_id,
+                blocked=blocked
+            )
             log.debug("successfully tracked %s", article.guid)
         except aiohttp.ClientResponseError as error:
             log.error(error)
 
-            if error.status == 400:
+            if error.status == 409:
                 log.debug("It looks like this article already exists, skipping")
 
             return
@@ -176,26 +182,27 @@ class TaskCog(commands.Cog):
         Returns True if article should be ignored due to filters.
         """
 
-        log.debug("trying filter '%s'", _filter["name"])
+        match_found = False  # This is the flag to determine if the content should be filtered
 
         keywords = _filter["keywords"].split(",")
         regex_pattern = _filter["regex"]
+        is_whitelist = _filter["whitelist"]
+
+        log.debug(
+            "trying filter '%s', keyword '%s', regex '%s', is whitelist: '%s'",
+            _filter["name"], keywords, regex_pattern, is_whitelist
+        )
 
         assert not (keywords and regex_pattern), "Keywords and Regex used, only 1 can be used."
 
-        for word in keywords:
-            if word in article.title or word in article.description:
-                log.debug("keyword '%s' found in title or description", word)
-                return True
-
-        # if any(word in article.title or word in article.description for word in keywords):
-        #     return True
+        if any(word in article.title or word in article.description for word in keywords):
+            match_found = True
 
         if regex_pattern:
             regex = re.compile(regex_pattern)
-            return regex.search(article.title) or regex.search(article.description)
+            match_found = regex.search(article.title) or regex.search(article.description)
 
-        return False
+        return not match_found if is_whitelist else match_found
 
 async def setup(bot):
     """