diff --git a/src/Install.php b/src/Install.php
index c8b6aad..4ae6e1e 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -23,14 +23,14 @@ class Install extends dcNsProcess
 {
     public static function init(): bool
     {
-        self::$init = defined('DC_CONTEXT_ADMIN') && dcCore::app()->newVersion(My::id(), dcCore::app()->plugins->moduleInfo(My::id(), 'version'));
+        static::$init = defined('DC_CONTEXT_ADMIN') && dcCore::app()->newVersion(My::id(), dcCore::app()->plugins->moduleInfo(My::id(), 'version'));
 
-        return self::$init;
+        return static::$init;
     }
 
     public static function process(): bool
     {
-        if (!self::$init) {
+        if (!static::$init) {
             return false;
         }
 
diff --git a/src/Manage.php b/src/Manage.php
index 0f22c48..a4a5b1d 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -113,7 +113,7 @@ class Manage extends dcNsProcess
 
     public static function render(): void
     {
-        if (!self::$init) {
+        if (!static::$init) {
             return;
         }