diff --git a/src/dexorder/blockchain/connection.py b/src/dexorder/blockchain/connection.py
index c54d804..512ee5c 100644
--- a/src/dexorder/blockchain/connection.py
+++ b/src/dexorder/blockchain/connection.py
@@ -34,7 +34,7 @@ async def connect(rpc_url: Union[str,list[str]]=None, account=NARG, autosign=Tru
 
 async def create_w3(rpc_url: Union[str,list[str]]=None, account=NARG, autosign=True, name='default', *, archive_url: Union[str,list[str]] = None) -> AsyncWeb3:
     if rpc_url is None:
-        rpc_urls = [config.rpc_url.strip()]
+        rpc_url = config.rpc_url
     if isinstance(rpc_url, str):
         rpc_urls = [resolve_rpc_url(s) for url in rpc_url.split(',') if (s:=url.strip()) != '']
     elif isinstance(rpc_url, list):
@@ -43,7 +43,7 @@ async def create_w3(rpc_url: Union[str,list[str]]=None, account=NARG, autosign=T
         raise ValueError("rpc_url must be a string or list of strings")
 
     if archive_url is None:
-        archive_urls = config.archive_url.strip()
+        archive_url = config.archive_url
     if archive_url is None:
         archive_urls = []
     elif isinstance(archive_url, str):