diff --git a/po/zh_TW.po b/po/zh_TW.po
index 08ade014e7..0da88834fc 100644
--- a/po/zh_TW.po
+++ b/po/zh_TW.po
@@ -1794,7 +1794,7 @@ msgstr "硬體認證失敗"
 
 #: libraries/auth/swekey/swekey.auth.lib.php:166
 msgid "No valid authentication key plugged"
-msgstr ""
+msgstr "沒有插入可用的密鑰"
 
 #: libraries/auth/swekey/swekey.auth.lib.php:202
 msgid "Authenticating..."