diff --git a/electrum/lnworker.py b/electrum/lnworker.py
index a1eb0a783..175f5a075 100644
--- a/electrum/lnworker.py
+++ b/electrum/lnworker.py
@@ -412,7 +412,7 @@ class LNWorker(Logger, NetworkRetryManager[LNPeerAddr]):
                 addrs = self.channel_db.get_node_addresses(node_id)
                 if not addrs:
                     raise ConnStringFormatError(_('Don\'t know any addresses for node:') + ' ' + bh2u(node_id))
-                host, port, timestamp = self.choose_preferred_address(addrs)
+                host, port, timestamp = self.choose_preferred_address(list(addrs))
             port = int(port)
             # Try DNS-resolving the host (if needed). This is simply so that
             # the caller gets a nice exception if it cannot be resolved.