diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 5a7e40767c..c95efd9fd7 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -114,7 +114,7 @@ var (
 		Usage:    "Root directory for era1 history (default = inside ancient/chain)",
 		Category: flags.EthCategory,
 	}
-	MinFreeDiskSpaceFlag = &flags.DirectoryFlag{
+	MinFreeDiskSpaceFlag = &cli.IntFlag{
 		Name:     "datadir.minfreedisk",
 		Usage:    "Minimum free disk space in MB, once reached triggers auto shut down (default = --cache.gc converted to MB, 0 = disabled)",
 		Category: flags.EthCategory,