diff --git a/src/arquivos/js/app/partials/Menu.js b/src/arquivos/js/app/partials/Menu.js
index 426bd1f..9d470c7 100644
--- a/src/arquivos/js/app/partials/Menu.js
+++ b/src/arquivos/js/app/partials/Menu.js
@@ -36,7 +36,9 @@ export default class Menu {
 		event.preventDefault();
 		const link = $(event.target);
 
-		link.siblings(".submenu").addClass("is-open");
+		link.parents(".main-menu__department")
+			.find(".submenu")
+			.addClass("is-open");
 	}
 
 	closeSubMenu(event) {