diff --git a/cmd/main.go b/cmd/main.go
index b1c7b7f..9487454 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -62,7 +62,6 @@ func main() {
 			&cli.StringFlag{
 				Name:  "listen",
 				Usage: "listen address for the service",
-				Value: "0.0.0.0:1234",
 			},
 			&cli.StringFlag{
 				Name:    "repo",
diff --git a/cmd/rpc.go b/cmd/rpc.go
index be2b7f3..1fff847 100644
--- a/cmd/rpc.go
+++ b/cmd/rpc.go
@@ -26,7 +26,7 @@ import (
 	"go.opencensus.io/plugin/ochttp"
 )
 
-func serveRPC(ctx context.Context, cfg *config.Config, listen string, jwt jwtclient.IJwtAuthClient, full api.FullNode, localApi local_api.LocalAPI, stop dix.StopFunc, maxRequestSize int64) error {
+func serveRPC(ctx context.Context, cfg *config.Config, jwt jwtclient.IJwtAuthClient, full api.FullNode, localApi local_api.LocalAPI, stop dix.StopFunc, maxRequestSize int64) error {
 	serverOptions := []jsonrpc.ServerOption{}
 	if maxRequestSize > 0 {
 		serverOptions = append(serverOptions, jsonrpc.WithMaxRequestSize(maxRequestSize))
@@ -96,7 +96,7 @@ func serveRPC(ctx context.Context, cfg *config.Config, listen string, jwt jwtcli
 	}
 
 	server := http.Server{
-		Addr:    listen,
+		Addr:    cfg.API.ListenAddress,
 		Handler: allHandler,
 		BaseContext: func(net.Listener) context.Context {
 			return ctx
@@ -126,7 +126,7 @@ func serveRPC(ctx context.Context, cfg *config.Config, listen string, jwt jwtcli
 
 	signal.Notify(sigCh, syscall.SIGTERM, syscall.SIGINT)
 
-	log.Infow("start http server", "addr", listen)
+	log.Infow("start http server", "addr", cfg.API.ListenAddress)
 	if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
 		return err
 	}
diff --git a/cmd/run.go b/cmd/run.go
index 0cd5e2d..a0782a8 100644
--- a/cmd/run.go
+++ b/cmd/run.go
@@ -129,7 +129,6 @@ var runCmd = &cli.Command{
 		return serveRPC(
 			appCtx,
 			cfg,
-			cctx.String("listen"),
 			localJwt,
 			full,
 			localApi,