diff --git a/swh/indexer/codemeta.py b/swh/indexer/codemeta.py
--- a/swh/indexer/codemeta.py
+++ b/swh/indexer/codemeta.py
@@ -97,7 +97,7 @@
     (CODEMETA_TERMS, CROSSWALK_TABLE) = _read_crosstable(fd)
 
 
-def _document_loader(url):
+def _document_loader(url, options=None):
     """Document loader for pyld.
 
     Reads the local codemeta.jsonld file instead of fetching it