diff --git a/po/ja.po b/po/ja.po
index cbb2fe16b..dc630a1b4 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -3182,7 +3182,7 @@ msgstr ""
 
 #: libraries/config/messages.inc.php:230
 msgid "GZip"
-msgstr ""
+msgstr "GZip"
 
 #: libraries/config/messages.inc.php:231
 msgid "Extra parameters for iconv"