diff --git a/install/index.php b/install/index.php
index 576176c..b506bc0 100644
--- a/install/index.php
+++ b/install/index.php
@@ -6,7 +6,7 @@ IncludeModuleLangFile(__FILE__);
 
 class bx_null extends \CModule
 {
-    public $sys = [];
+    public $module = [];
     var $MODULE_GROUP_RIGHTS = 'Y';
 
     function __construct()
@@ -16,18 +16,18 @@ class bx_null extends \CModule
             $module = json_decode(file_get_contents(__DIR__.'/../.module.json'), true);
         }
 
-        $this->sys = $module;
+        $this->module = $module;
 
         $this->MODULE_ID = $module['id'];
         $this->MODULE_VERSION = $module['version'];
         $this->MODULE_VERSION_DATE = $module['date'];
 
-        $langPrefix = strtoupper($module['prefix']);
+        $langPrefix = $module['prefix'];
 
-        $this->PARTNER_NAME = GetMessage("{$langPrefix}_PARTNER_NAME");
-        $this->PARTNER_URI  = GetMessage("{$langPrefix}_PARTNER_URI");
-        $this->MODULE_NAME = GetMessage("{$langPrefix}_MODULE_NAME");
-        $this->MODULE_DESCRIPTION = GetMessage("{$langPrefix}_MODULE_DESCRIPTION");
+        $this->PARTNER_NAME = GetMessage("{$langPrefix}_partner_name");
+        $this->PARTNER_URI  = GetMessage("{$langPrefix}_partner_uri");
+        $this->MODULE_NAME = GetMessage("{$langPrefix}_module_name");
+        $this->MODULE_DESCRIPTION = GetMessage("{$langPrefix}_module_description");
     }
 
 
@@ -35,8 +35,8 @@ class bx_null extends \CModule
     {
         global $DOCUMENT_ROOT, $APPLICATION;
 
-        if(is_array($this->sys['deps'])){
-            foreach ($this->sys['deps'] as $moduleId){
+        if(is_array($this->module['deps'])){
+            foreach ($this->module['deps'] as $moduleId){
                 if (!\Bitrix\Main\Loader::includeModule($moduleId)) {
                     $APPLICATION->ThrowException("Module {$moduleId} not installed!");
                     return false;
diff --git a/lang/ru/install/index.php b/lang/ru/install/index.php
index 69a014c..8ba883d 100644
--- a/lang/ru/install/index.php
+++ b/lang/ru/install/index.php
@@ -1,7 +1,5 @@
 <?
-$MESS ['BX_NULL_PARTNER_NAME'] = "CoreLion";
-$MESS ['BX_NULL_PARTNER_URI'] = "https://corelion.ru/";
-$MESS ['BX_NULL_MODULE_NAME'] = "Создание CML";
-$MESS ['BX_NULL_MODULE_DESCRIPTION'] = "Работа с форматом CML";
-$MESS ['BX_NULL_INSTALL_MODULE'] = "Установка модуля";
-$MESS ['BX_NULL_DELETE_MODULE'] = "Деинсталляция модуля";
+$MESS ['bx_null_partner_name'] = "CoreLion";
+$MESS ['bx_null_partner_uri'] = "https://corelion.ru/";
+$MESS ['bx_null_module_name'] = "Bx: Null";
+$MESS ['bx_null_module_description'] = "Null module";