diff --git a/po/nl.po b/po/nl.po
index 363d60fac..5e0aff1db 100644
--- a/po/nl.po
+++ b/po/nl.po
@@ -1400,7 +1400,7 @@ msgstr "vr"
 #. l10n: Minimal week day name
 #: js/messages.php:217
 msgid "Sa"
-msgstr "Za"
+msgstr "za"
 
 #. l10n: Column header for week of the year in calendar
 #: js/messages.php:219