diff --git a/po/ru.po b/po/ru.po
index 239747e3d2..4bcebfa277 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -2521,7 +2521,7 @@ msgstr ""
 
 #: libraries/auth/cookie.auth.lib.php:35
 msgid "Failed to use Blowfish from mcrypt!"
-msgstr ""
+msgstr "Невозможно использование Blowfish из mcrypt!"
 
 #: libraries/auth/cookie.auth.lib.php:199
 msgid "Log in"