diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index cc938e36f0..3dd619e80a 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -115,7 +115,7 @@ var (
 		Category: flags.EthCategory,
 	}
 	EraFormatFlag = &cli.StringFlag{
-		Name:     "era.format",
+		Name:     "eraformat",
 		Usage:    "Archive format: 'era1' or 'erae'",
 		Category: flags.EthCategory,
 	}