diff --git a/devices/linux/DeviceLinux.php b/devices/linux/DeviceLinux.php
index 39b903e25..806af582d 100644
--- a/devices/linux/DeviceLinux.php
+++ b/devices/linux/DeviceLinux.php
@@ -141,6 +141,7 @@ private function writeMessages($file) {
         'dbus_error' => _("DBus connection problem, a sudo might help"),
         'yes' => _("Y"),
         'no' => _("N"),
+        'ok' => _("OK"),
         'p12_filter' => _("personal certificate file (p12 or pfx)"),
         'all_filter' => _("All files"),
         'p12_title' => _("personal certificate file (p12 or pfx)"),