move to CommandNotFound copy to startApp

app.go

@@ -151,9 +151,6 @@ func (a *App) RunAsSubcommand(ctx *Context) error {
 		}
 	}
 
-	// add the App's CommandNotFound
-	a.CommandNotFound = ctx.App.CommandNotFound
-
 	// append flags
 	if a.EnableBashCompletion {
 		a.appendFlag(BashCompletionFlag)

command.go

@@ -118,6 +118,9 @@ func (c Command) startApp(ctx *Context) error {
 		app.Usage = c.Usage
 	}
 
+	// set CommandNotFound
+	app.CommandNotFound = ctx.App.CommandNotFound
+
 	// set the flags and commands
 	app.Commands = c.Subcommands
 	app.Flags = c.Flags