diff --git a/_awssh b/_awssh
index 7731eb3..6785640 100644
--- a/_awssh
+++ b/_awssh
@@ -7,11 +7,10 @@ _awssh() {
 		'(-p --port)'{-p,--port}'[ssh login port.]' \
 		'--cache[enable cache a credentials.]' \
 		'--duration[cache duration.]' \
+		'--enable-snapshot[enable snapshot.]' \
 		'(-c --external-command)'{-c,--external-command}'[feature use.]' \
 		'(-i --identity-file)'{-i,--identity-file}'[identity file path.]' \
 		'--profile[use a specific profile from your credential file.]' \
 		'(-P --publickey)'{-P,--publickey}'[public key file path.]' \
-		'--select-profile[select a specific profile from your credential file.]' \
-		'--version[version for awssh]' \
-		'--completion-zsh[output shell completion code for the zsh.]'
+		'--select-profile[select a specific profile from your credential file.]'
 }
diff --git a/awssh/cmd/root.go b/awssh/cmd/root.go
index b59eb65..53231b3 100644
--- a/awssh/cmd/root.go
+++ b/awssh/cmd/root.go
@@ -40,7 +40,7 @@ func init() {
 	rootCmd.Flags().Bool("select-profile", false, "select a specific profile from your credential file.")
 	rootCmd.Flags().Bool("cache", false, "enable cache a credentials.")
 	rootCmd.Flags().String("duration", "1 hour", "cache duration.")
-	rootCmd.Flags().Bool("disable-snapshot", false, "disable snapshot.")
+	rootCmd.Flags().Bool("enable-snapshot", false, "enable snapshot.")
 
 	viper.BindPFlags(rootCmd.Flags())
 }
diff --git a/cli.go b/cli.go
index e359589..b2844f8 100644
--- a/cli.go
+++ b/cli.go
@@ -21,7 +21,7 @@ func Run(cmd *cobra.Command, args []string) (err error) {
 
 	profile := viper.GetString("profile")
 	cache := viper.GetBool("cache")
-	disableSnapshot := viper.GetBool("disable-snapshot")
+	enableSnapshot := viper.GetBool("enable-snapshot")
 	duration, err := duration.Parse(viper.GetString("duration"))
 	if err != nil {
 		return err
@@ -46,7 +46,7 @@ func Run(cmd *cobra.Command, args []string) (err error) {
 	}
 
 	// Get snapshot
-	if disableSnapshot != true {
+	if enableSnapshot == true {
 		go func() {
 			if imageId, err := createAMI(ctx, awsSession, instanceID); err != nil {
 				fmt.Printf("Failed to create to auto snapshot. error: %T\n", err)