diff --git a/src/pocketmine/entity/Human.php b/src/pocketmine/entity/Human.php
index 1fc5bd2588..febd69b8d3 100644
--- a/src/pocketmine/entity/Human.php
+++ b/src/pocketmine/entity/Human.php
@@ -105,13 +105,15 @@ class Human extends Creature implements ProjectileSource, InventoryHolder{
 			$this->nameTag = $this->namedtag["NameTag"];
 		}
 
-		foreach($this->namedtag->Inventory as $item){
-			if($item["Slot"] >= 0 and $item["Slot"] < 9){ //Hotbar
-				$this->inventory->setHotbarSlotIndex($item["Slot"], isset($item["TrueSlot"]) ? $item["TrueSlot"] : -1);
-			}elseif($item["Slot"] >= 100 and $item["Slot"] < 104){ //Armor
-				$this->inventory->setItem($this->inventory->getSize() + $item["Slot"] - 100, ItemItem::get($item["id"], $item["Damage"], $item["Count"]));
-			}else{
-				$this->inventory->setItem($item["Slot"] - 9, ItemItem::get($item["id"], $item["Damage"], $item["Count"]));
+		if(isset($this->namedtag->Inventory) and $this->namedtag->Inventory instanceof Enum){
+			foreach($this->namedtag->Inventory as $item){
+				if($item["Slot"] >= 0 and $item["Slot"] < 9){ //Hotbar
+					$this->inventory->setHotbarSlotIndex($item["Slot"], isset($item["TrueSlot"]) ? $item["TrueSlot"] : -1);
+				}elseif($item["Slot"] >= 100 and $item["Slot"] < 104){ //Armor
+					$this->inventory->setItem($this->inventory->getSize() + $item["Slot"] - 100, ItemItem::get($item["id"], $item["Damage"], $item["Count"]));
+				}else{
+					$this->inventory->setItem($item["Slot"] - 9, ItemItem::get($item["id"], $item["Damage"], $item["Count"]));
+				}
 			}
 		}
 
@@ -194,7 +196,7 @@ class Human extends Creature implements ProjectileSource, InventoryHolder{
 		}
 
 
-		$this->namedtag->Skin = new Compound("Inventory", [
+		$this->namedtag->Skin = new Compound("Skin", [
 			"Data" => new String("Data", $this->getSkinData()),
 			"Slim" => new Byte("Slim", $this->isSkinSlim() ? 1 : 0)
 		]);
diff --git a/src/pocketmine/event/Timings.php b/src/pocketmine/event/Timings.php
index 3ac1f850bd..985eeabcf6 100644
--- a/src/pocketmine/event/Timings.php
+++ b/src/pocketmine/event/Timings.php
@@ -83,6 +83,8 @@ abstract class Timings{
 	public static $processQueueTimer;
 	/** @var TimingsHandler */
 	public static $schedulerSyncTimer;
+	/** @var TimingsHandler */
+	public static $schedulerAsyncTimer;
 
 	/** @var TimingsHandler */
 	public static $playerCommandTimer;
@@ -127,6 +129,7 @@ abstract class Timings{
 
 		self::$processQueueTimer = new TimingsHandler("processQueue");
 		self::$schedulerSyncTimer = new TimingsHandler("** Scheduler - Sync Tasks", PluginManager::$pluginParentTimer);
+		self::$schedulerAsyncTimer = new TimingsHandler("** Scheduler - Async Tasks");
 
 		self::$playerCommandTimer = new TimingsHandler("** playerCommand");
 
diff --git a/src/pocketmine/scheduler/AsyncPool.php b/src/pocketmine/scheduler/AsyncPool.php
index 7be1af5d74..c91951a255 100644
--- a/src/pocketmine/scheduler/AsyncPool.php
+++ b/src/pocketmine/scheduler/AsyncPool.php
@@ -21,6 +21,7 @@
 
 namespace pocketmine\scheduler;
 
+use pocketmine\event\Timings;
 use pocketmine\Server;
 
 class AsyncPool{
@@ -113,6 +114,8 @@ class AsyncPool{
 		unset($this->taskWorkers[$task->getTaskId()]);
 
 		$task->cleanObject();
+
+		unset($task);
 	}
 
 	public function removeTasks(){
@@ -129,6 +132,8 @@ class AsyncPool{
 	}
 
 	public function collectTasks(){
+		Timings::$schedulerAsyncTimer->startTiming();
+
 		foreach($this->tasks as $task){
 			if($task->isGarbage()){
 
@@ -142,5 +147,7 @@ class AsyncPool{
 				$this->server->getLogger()->critical("On ".$info["scope"].", line ".$info["line"] .", ".$info["function"]."()");
 			}
 		}
+
+		Timings::$schedulerAsyncTimer->stopTiming();
 	}
 }