diff --git a/cmd/peerswaplnd/peerswapd/main.go b/cmd/peerswaplnd/peerswapd/main.go
index 7a7ad027..6832103e 100644
--- a/cmd/peerswaplnd/peerswapd/main.go
+++ b/cmd/peerswaplnd/peerswapd/main.go
@@ -382,7 +382,8 @@ func run() error {
 		mux := runtime.NewServeMux(
 			runtime.WithMarshalerOption(runtime.MIMEWildcard, &runtime.JSONPb{
 				MarshalOptions: protojson.MarshalOptions{
-					UseProtoNames: true,
+					UseProtoNames:   true,
+					EmitUnpopulated: true,
 				},
 				UnmarshalOptions: protojson.UnmarshalOptions{
 					DiscardUnknown: true,