diff --git a/transport.h b/transport.h
index b1c2252..27bfc52 100644
--- a/transport.h
+++ b/transport.h
@@ -74,5 +74,6 @@
 int transport_fetch_refs(struct transport *transport, const struct ref *refs);
 void transport_unlock_pack(struct transport *transport);
 int transport_disconnect(struct transport *transport);
+char *transport_anonymize_url(const char *url);
 
 #endif