diff --git a/locales/pt-PT/browser/browser/preferences/zen-preferences.ftl b/locales/pt-PT/browser/browser/preferences/zen-preferences.ftl
index 174597c6f..5a327b97b 100644
--- a/locales/pt-PT/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/pt-PT/browser/browser/preferences/zen-preferences.ftl
@@ -314,3 +314,4 @@ zen-devtools-toggle-storage-shortcut = Alternar Armazenamento
 zen-devtools-toggle-dom-shortcut = Alternar DOM
 zen-devtools-toggle-accessibility-shortcut = Alternar Acessibilidade
 zen-close-all-unpinned-tabs-shortcut = Fechar Todos os Separadores Não Fixados
+zen-new-unsynced-window-shortcut = New Unsynced Window