diff --git a/src/rss.py b/src/rss.py
index ab126dd..47d6715 100644
--- a/src/rss.py
+++ b/src/rss.py
@@ -39,7 +39,7 @@ def _is_image_token(token: str, extensions):
     return len(parts) == 2 and parts[1] in extensions
 
 # this is similar to the markup function in microblog
-def enrich_msg(lines, is_atom=True):
+def enrich_msg(lines, is_atom=True, image_extensions=[], base_url=None):
     if not is_atom:
         return lines
     content = []