diff --git a/src/Auth/MisuzuAuth.php b/src/Auth/MisuzuAuth.php
index d37d092..fdd5c0b 100644
--- a/src/Auth/MisuzuAuth.php
+++ b/src/Auth/MisuzuAuth.php
@@ -11,8 +11,8 @@ class MisuzuAuth implements AuthInterface {
     private static $database = null;
 
     public function getDatabase(): PDO {
-        if(static::$database !== null)
-            return static::$database;
+        if(self::$database !== null)
+            return self::$database;
 
         $configPath = Config::get('Misuzu', 'config', '');
 
@@ -32,12 +32,12 @@ class MisuzuAuth implements AuthInterface {
         }
 
         try {
-            static::$database = new PDO($dsn, $config['username'], $config['password'], DB::FLAGS);
+            self::$database = new PDO($dsn, $config['username'], $config['password'], DB::FLAGS);
         } catch(PDOException $ex) {
             throw new \Exception('Unable to connect to Misuzu database.');
         }
 
-        return static::$database;
+        return self::$database;
     }
 
     public function getName(): string { return 'Misuzu'; }