diff --git a/cli/app/upgrade.go b/cli/app/upgrade.go
index dcdb8e65..d05ea225 100644
--- a/cli/app/upgrade.go
+++ b/cli/app/upgrade.go
@@ -25,7 +25,6 @@ var appUpgradeCommand = &cli.Command{
 		internal.ForceFlag,
 		internal.ChaosFlag,
 		internal.NoDomainChecksFlag,
-		internal.NoDomainChecksFlag,
 	},
 	Description: `
 This command supports upgrading an app. You can use it to choose and roll out a