diff --git a/metadata/gorefs/goref-0000024.md b/metadata/gorefs/goref-0000024.md
index ea8750b7..ccad8624 100644
--- a/metadata/gorefs/goref-0000024.md
+++ b/metadata/gorefs/goref-0000024.md
@@ -6,7 +6,7 @@ external_accession:
   - J:104715
   - FB:FBrf0255270
 id: "GO_REF:0000024"
-url: http://www.ebi.ac.uk/GOA/ISS_method.html
+is_obsolete: false
 year: 2011
 layout: goref
 ---