diff --git a/po/pl.po b/po/pl.po
index a1e6533233..e6327bf27a 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -1299,7 +1299,7 @@ msgstr "MB"
 #: js/messages.php:105 js/messages.php:126 libraries/common.lib.php:1397
 #: server_status.php:1680
 msgid "KiB"
-msgstr "KiB"
+msgstr "KB"
 
 #: js/messages.php:107
 msgid "Average load"