From 780f60554dd8eee65df3457755f079573b7696b7 Mon Sep 17 00:00:00 2001
From: Michael Yoo <sekjun9878@gmail.com>
Date: Sat, 19 Oct 2013 10:58:49 +1030
Subject: [PATCH] Fix #871

---
 src/Player.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Player.php b/src/Player.php
index 8b68a96e8..f4eb63294 100644
--- a/src/Player.php
+++ b/src/Player.php
@@ -746,7 +746,7 @@ class Player{
 	}
 	
 	public function teleport(Vector3 $pos, $yaw = false, $pitch = false, $terrain = true, $force = true){
-		if($this->entity instanceof Entity){
+		if($this->entity instanceof Entity and $this->level instanceof Level){
 			$this->entity->check = false;
 			if($yaw === false){
 				$yaw = $this->entity->yaw;