diff --git a/contrib/pyln-testing/pyln/testing/utils.py b/contrib/pyln-testing/pyln/testing/utils.py
index 9d1ac4a77d..ab8eb4c330 100644
--- a/contrib/pyln-testing/pyln/testing/utils.py
+++ b/contrib/pyln-testing/pyln/testing/utils.py
@@ -1544,6 +1544,7 @@ class NodeFactory(object):
             'wait_for_bitcoind_sync',
             'allow_bad_gossip',
             'start',
+            'gossip_store_file',
         ]
         node_opts = {k: v for k, v in opts.items() if k in node_opt_keys}
         cli_opts = {k: v for k, v in opts.items() if k not in node_opt_keys}