diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 9f1117d8e..2972c856a 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -87,6 +87,15 @@ namespace pocketmine {
 		require_once(\pocketmine\PATH . "src/spl/SplClassLoader.php");
 	}
 
+	if(!class_exists("Logger", false)){
+		require_once(\pocketmine\PATH . "src/spl/Logger.php");
+		require_once(\pocketmine\PATH . "src/spl/LogLevel.php");
+	}
+
+	if(!class_exists("ThreadedLogger", false)){
+		require_once(\pocketmine\PATH . "src/spl/ThreadedLogger.php");
+	}
+
 
 	$autoloader = new \SplClassLoader();
 	$autoloader->add("pocketmine", array(
@@ -314,4 +323,4 @@ namespace pocketmine {
 	kill(getmypid());
 	exit(0);
 
-}
\ No newline at end of file
+}