diff --git a/localization/en_US.inc b/localization/en_US.inc
index 49a1582..90dcd2f 100644
--- a/localization/en_US.inc
+++ b/localization/en_US.inc
@@ -30,7 +30,7 @@ $labels['form.imap.tls'] = 'Secure connection (TLS)';
 $labels['form.imap.port'] = 'Port';
 
 // Folder hierarchy delimiter
-$labels['form.delimiter'] = 'Folder hierarchy delimiter';
+$labels['form.imap.delimiter'] = 'Folder hierarchy delimiter';
 
 // Username
 $labels['form.imap.username'] = 'Username';
diff --git a/localization/ru_RU.inc b/localization/ru_RU.inc
index 6054908..28419bf 100644
--- a/localization/ru_RU.inc
+++ b/localization/ru_RU.inc
@@ -30,7 +30,7 @@ $labels['form.imap.tls'] = 'Безопасное подключение (TLS)';
 $labels['form.imap.port'] = 'Порт';
 
 // Folder hierarchy delimiter
-$labels['form.delimiter'] = 'Разделитель в иерархии папок';
+$labels['form.imap.delimiter'] = 'Разделитель в иерархии папок';
 
 // Username
 $labels['form.imap.username'] = 'Имя пользователя';