diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index a0eb81597..2026d655f 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -2119,6 +2119,9 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 	}
 
 	public function kill(){
+		if($this->dead or $this->spawned === false){
+			return;
+		}
 		parent::kill();
 		$message = $this->getName() ." died";
 		$cause = $this->getLastDamageCause();
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 0b2fd4c8b..29c0ee3b2 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -957,6 +957,9 @@ abstract class Entity extends Position implements Metadatable{
 	}
 
 	public function kill(){
+		if($this->dead){
+			return;
+		}
 		$this->setHealth(0);
 		$this->dead = true;
 		$this->scheduleUpdate();
diff --git a/src/pocketmine/entity/Living.php b/src/pocketmine/entity/Living.php
index 0b9b3a9af..8d3e25ec8 100644
--- a/src/pocketmine/entity/Living.php
+++ b/src/pocketmine/entity/Living.php
@@ -84,6 +84,9 @@ abstract class Living extends Entity implements Damageable{
 	}
 
 	public function kill(){
+		if($this->dead){
+			return;
+		}
 		parent::kill();
 		$this->server->getPluginManager()->callEvent($ev = new EntityDeathEvent($this, $this->getDrops()));
 		foreach($ev->getDrops() as $item){