diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 7cc11f55a2..41310a9069 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -260,6 +260,8 @@ func init() {
 		debug.Flags,
 		metricsFlags,
 	)
+	// CHANGE(taiko): append Taiko flags into the original GETH flags
+	app.Flags = append(app.Flags, utils.TaikoFlag)
 
 	flags.AutoEnvVars(app.Flags, "GETH")