diff --git a/po/zh_TW.po b/po/zh_TW.po
index a0317b98f8..08ade014e7 100644
--- a/po/zh_TW.po
+++ b/po/zh_TW.po
@@ -1790,7 +1790,7 @@ msgstr "檔案 %s 未包含任何密鑰"
 #: libraries/auth/swekey/swekey.auth.lib.php:157
 #: libraries/auth/swekey/swekey.auth.lib.php:180
 msgid "Hardware authentication failed"
-msgstr ""
+msgstr "硬體認證失敗"
 
 #: libraries/auth/swekey/swekey.auth.lib.php:166
 msgid "No valid authentication key plugged"