diff --git a/po/sk.po b/po/sk.po
index 529e86d4d3..eaaa99820b 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -2308,7 +2308,7 @@ msgstr "žiadny z vyššie uvedených"
 #: libraries/config/FormDisplay.class.php:83
 #: libraries/config/validate.lib.php:422
 msgid "Not a positive number"
-msgstr ""
+msgstr "Nie je kladné číslo"
 
 #: libraries/config/FormDisplay.class.php:84
 #: libraries/config/validate.lib.php:435