diff --git a/hc_spider/worker.py b/hc_spider/worker.py
index f53fe61..7dbd37b 100644
--- a/hc_spider/worker.py
+++ b/hc_spider/worker.py
@@ -23,9 +23,9 @@ class URLProcessor:
 
     def __init__(self, **kwargs) -> None:
         self._shared_objects = SharedObjects(**kwargs)
-        self._blacklisted_urls = copy.deepcopy(self._shared_objects.config.get("blacklisted_urls"))
-        self._blacklisted_domains = copy.deepcopy(self._shared_objects.config.get("blacklisted_domains"))
-        self._otc_base_url = copy.deepcopy(self._shared_objects.config.get("otc_base_url"))
+        self._blacklisted_urls = self._shared_objects.config.get("blacklisted_urls", [])
+        self._blacklisted_domains = self._shared_objects.config.get("blacklisted_domains", [])
+        self._otc_base_url = self._shared_objects.config.get("otc_base_url", "")
         self._scraper = BeautifulSoupScraper(shared_objects=self._shared_objects)
 
     def _process_children(self) -> None: