diff --git a/commands/command.go b/commands/command.go
index 0521d0baf..f88e3b206 100644
--- a/commands/command.go
+++ b/commands/command.go
@@ -28,6 +28,7 @@ type Command struct {
 	Format      Formatter
 	Type        interface{}
 	Subcommands map[string]*Command
+	Private     bool
 }
 
 // ErrNotCallable signals a command that cannot be called.