diff --git a/src/Logger.php b/src/Logger.php
index b2c5ddcd..3eb0cb89 100644
--- a/src/Logger.php
+++ b/src/Logger.php
@@ -227,7 +227,7 @@ protected function _constructFromConfig($type, $config, $namespace)
             );
         }
 
-        return call_user_func(array($className, 'factory'), $params);
+        return $className::factory($params);
     }
 
     /**