--- a/mercurial/wireprotov1server.py	Thu Oct 15 15:57:36 2020 +0200
+++ b/mercurial/wireprotov1server.py	Wed Oct 14 17:46:28 2020 +0200
@@ -273,7 +273,7 @@
     data center given the client's IP address.
     """
     return wireprototypes.bytesresponse(
-        repo.vfs.tryread(b'clonebundles.manifest')
+        repo.vfs.tryread(bundlecaches.CB_MANIFEST_FILE)
     )