diff --git a/bindings/ldk_node.udl b/bindings/ldk_node.udl
index dd18228cd..b389c5050 100644
--- a/bindings/ldk_node.udl
+++ b/bindings/ldk_node.udl
@@ -34,6 +34,8 @@ interface Builder {
 	void set_listening_addresses(sequence<SocketAddress> listening_addresses);
 	[Throws=BuildError]
 	Node build();
+	[Throws=BuildError]
+	Node build_with_fs_store();
 };
 
 interface Node {