diff --git a/misc/python3/ratchet-passing b/misc/python3/ratchet-passing
index 2edba65c0..56d82d4e7 100644
--- a/misc/python3/ratchet-passing
+++ b/misc/python3/ratchet-passing
@@ -60,6 +60,7 @@ allmydata.test.test_log.Log.test_grandparent_id
 allmydata.test.test_log.Log.test_no_prefix
 allmydata.test.test_log.Log.test_numming
 allmydata.test.test_log.Log.test_parent_id
+allmydata.test.test_log.Log.test_with_bytes_prefix
 allmydata.test.test_log.Log.test_with_prefix
 allmydata.test.test_netstring.Netstring.test_encode
 allmydata.test.test_netstring.Netstring.test_extra