diff --git a/po/pl.po b/po/pl.po
index b361b83d1..8e1e5de1f 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -1492,7 +1492,7 @@ msgstr "Wk"
 
 #: js/messages.php:221
 msgid "Hour"
-msgstr ""
+msgstr "Godzina"
 
 #: js/messages.php:222
 #, fuzzy