diff --git a/fs_s3fs/opener.py b/fs_s3fs/opener.py
index d839f83..e7db647 100644
--- a/fs_s3fs/opener.py
+++ b/fs_s3fs/opener.py
@@ -33,6 +33,7 @@ def open_fs(self, fs_url, parse_result, writeable, create, cwd):
             endpoint_url=parse_result.params.get("endpoint_url", None),
             acl=parse_result.params.get("acl", None),
             cache_control=parse_result.params.get("cache_control", None),
+            region=parse_result.params.get("region", None),
             strict=strict,
         )
         return s3fs