diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 4c21f6ea8b..f5bff38e3d 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -31,6 +31,7 @@ import (
 	"github.com/ubiq/go-ubiq/accounts"
 	"github.com/ubiq/go-ubiq/accounts/keystore"
 	"github.com/ubiq/go-ubiq/common"
+	"github.com/ubiq/go-ubiq/common/fdlimit"
 	"github.com/ubiq/go-ubiq/consensus"
 	"github.com/ubiq/go-ubiq/consensus/clique"
 	"github.com/ubiq/go-ubiq/consensus/ubqhash"