diff --git a/settings.go b/settings.go
index 4642cb0..21de46e 100644
--- a/settings.go
+++ b/settings.go
@@ -104,8 +104,7 @@ func settings() *viper.Viper {
 	help := flags.BoolP(cmdHelp, "h", false, "show help")
 	version := flags.BoolP(cmdVersion, "v", false, "show version")
 
-	flags.String(cmdNeoFSKey, "", `path to private key file, hex string or wif (autogenerated key will be used if not specified)`)
-
+	flags.StringP(cmdNeoFSKey, "k", "", `path to private key file, hex string or wif (autogenerated key will be used if not specified)`)
 	flags.Bool(cmdVerbose, false, "debug gRPC connections")
 	flags.Duration(cfgConTimeout, defaultConnectTimeout, "gRPC connect timeout")
 	flags.Duration(cfgReqTimeout, defaultRequestTimeout, "gRPC request timeout")