diff --git a/tests/test_downloader.py b/tests/test_downloader.py
index 126e791..0bec816 100644
--- a/tests/test_downloader.py
+++ b/tests/test_downloader.py
@@ -37,7 +37,7 @@ def test_sdf_url_legacy_version():
     url = _chebi_sdf_url(230)
     assert (
         url
-        == "https://ftp.ebi.ac.uk/pub/databases/chebi/archive/chebi_legacy/archive/rel230/ontology/chebi.obo"
+        == "https://ftp.ebi.ac.uk/pub/databases/chebi/archive/chebi_legacy/archive/rel230/SDF/ChEBI_complete.sdf.gz"
     )