diff --git a/src/arquivos/js/app/partials/Menu.js b/src/arquivos/js/app/partials/Menu.js
index c9dde73..fdb6790 100644
--- a/src/arquivos/js/app/partials/Menu.js
+++ b/src/arquivos/js/app/partials/Menu.js
@@ -32,7 +32,9 @@ export default class Menu {
 	openSubmenu(e) {
 		e.preventDefault();
 		const link = $(e.target);
-		link.siblings(".submenu").addClass("is-open");
+		link.parents(".main-menu__department")
+			.find(".submenu")
+			.addClass("is-open");
 	}
 
 	closeSubmenu(e) {