diff --git a/src/lib/CLIAppBase.hx b/src/lib/CLIAppBase.hx
index 97ebba1..500cf4f 100644
--- a/src/lib/CLIAppBase.hx
+++ b/src/lib/CLIAppBase.hx
@@ -12,7 +12,7 @@ abstract class CLIAppBase implements Process {
 	private final _subcommandsAsync:Map<String, (Array<String>) -> Future<Bool>> = [];
 	private final _subcommandsSynopsis:Array<String> = [];
 
-	public function run(handle:ProcessHandle) {
+	public final function run(handle:ProcessHandle) {
 		this.handle = handle;
 
 		var subcommand = handle.args[0];