diff --git a/po/bg.po b/po/bg.po
index 3c23dd5798..5fa4406a54 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -2235,7 +2235,7 @@ msgstr "Не е положително число"
 #: libraries/config/FormDisplay.class.php:84
 #: libraries/config/validate.lib.php:435
 msgid "Not a non-negative number"
-msgstr ""
+msgstr "Не е неотрицателно число"
 
 #: libraries/config/FormDisplay.class.php:85
 #: libraries/config/validate.lib.php:409