diff --git a/cmd/shisui/main.go b/cmd/shisui/main.go
index 35e754c09c00..7cd59088e1ea 100644
--- a/cmd/shisui/main.go
+++ b/cmd/shisui/main.go
@@ -105,7 +105,7 @@ var (
 
 func init() {
 	app.Action = shisui
-	app.Flags = flags.Merge(portalProtocolFlags, historyRpcFlags, metricsFlags)
+	app.Flags = slices.Concat(portalProtocolFlags, historyRpcFlags, metricsFlags)
 	flags.AutoEnvVars(app.Flags, "SHISUI")
 }