diff --git a/rbutil/rbutilqt/rbutil.ini b/rbutil/rbutilqt/rbutil.ini
index ed6020b53e..e23783a413 100644
--- a/rbutil/rbutilqt/rbutil.ini
+++ b/rbutil/rbutilqt/rbutil.ini
@@ -839,9 +839,11 @@ da=dansk
 de=deutsch
 el=greek
 en=english
+en_US=english-us
 eo=esperanto
 es=espanol
 et=eesti
+eu=basque
 fi=finnish
 fr=francais
 gl=galego