diff --git a/src/arquivos/js/app/partials/Menu.js b/src/arquivos/js/app/partials/Menu.js
index c0d9f9d..d66aa55 100644
--- a/src/arquivos/js/app/partials/Menu.js
+++ b/src/arquivos/js/app/partials/Menu.js
@@ -37,7 +37,9 @@ export default class Menu {
 
 		const link = $(event.target);
 
-		link.siblings('.submenu').addClass('is-open');
+		link.parents('.main-menu__department')
+			.find('.submenu')
+			.addClass('is-open');
 	}
 
 	closeSubmenu(event) {