diff --git a/po/pl.po b/po/pl.po
index 2451eee7a4..7aaacac3e2 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -1293,7 +1293,7 @@ msgstr "Systemowa przestrzeń wymiany"
 #. l10n: shortcuts for Megabyte
 #: js/messages.php:103 libraries/common.lib.php:1394 server_status.php:1669
 msgid "MiB"
-msgstr "MB"
+msgstr "MiB"
 
 #. l10n: shortcuts for Kilobyte
 #: js/messages.php:104 libraries/common.lib.php:1392 server_status.php:1669