diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index c2b00f629..8d7b8e5e7 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1945,7 +1945,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
                             break;
                         }
 					}
-				}elseif($item === null or $slot === -1 or !$item->equals($packet->item, true)){ // packet error or not implemented
+				}elseif($item === null or $slot === -1 or !$item->equals($packet->item)){ // packet error or not implemented
 					$this->inventory->sendContents($this);
 					break;
 				}elseif($this->isCreative()){
@@ -1985,7 +1985,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 						if($this->level->useItemOn($blockVector, $item, $packet->face, $packet->fx, $packet->fy, $packet->fz, $this) === true){
 							break;
 						}
-					}elseif(!$this->inventory->getItemInHand()->equals($packet->item, true)){
+					}elseif(!$this->inventory->getItemInHand()->equals($packet->item)){
 						$this->inventory->sendHeldItem($this);
 					}else{
 						$item = $this->inventory->getItemInHand();
@@ -2015,7 +2015,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 
 					if($this->isCreative()){
 						$item = $this->inventory->getItemInHand();
-					}elseif(!$this->inventory->getItemInHand()->equals($packet->item, true)){
+					}elseif(!$this->inventory->getItemInHand()->equals($packet->item)){
 						$this->inventory->sendHeldItem($this);
 						break;
 					}else{
@@ -2723,7 +2723,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 					break;
 				}
 
-				if($transaction->getSourceItem()->equals($transaction->getTargetItem(), true) and $transaction->getTargetItem()->getCount() === $transaction->getSourceItem()->getCount()){ //No changes!
+				if($transaction->getSourceItem()->equals($transaction->getTargetItem()) and $transaction->getTargetItem()->getCount() === $transaction->getSourceItem()->getCount()){ //No changes!
 					//No changes, just a local inventory update sent by the server
 					break;
 				}
diff --git a/src/pocketmine/inventory/BaseInventory.php b/src/pocketmine/inventory/BaseInventory.php
index 4a749b3c3..7fd8ea585 100644
--- a/src/pocketmine/inventory/BaseInventory.php
+++ b/src/pocketmine/inventory/BaseInventory.php
@@ -160,8 +160,9 @@ abstract class BaseInventory implements Inventory{
 	public function contains(Item $item){
 		$count = max(1, $item->getCount());
 		$checkDamage = $item->getDamage() === null ? false : true;
+		$checkTags = $item->getCompoundTag() === null ? false : true;
 		foreach($this->getContents() as $i){
-			if($item->equals($i, $checkDamage)){
+			if($item->equals($i, $checkDamage, $checkTags)){
 				$count -= $i->getCount();
 				if($count <= 0){
 					return true;
@@ -175,8 +176,9 @@ abstract class BaseInventory implements Inventory{
 	public function all(Item $item){
 		$slots = [];
 		$checkDamage = $item->getDamage() === null ? false : true;
+		$checkTags = $item->getCompoundTag() === null ? false : true;
 		foreach($this->getContents() as $index => $i){
-			if($item->equals($i, $checkDamage)){
+			if($item->equals($i, $checkDamage, $checkTags)){
 				$slots[$index] = $i;
 			}
 		}
@@ -186,8 +188,10 @@ abstract class BaseInventory implements Inventory{
 
 	public function remove(Item $item){
 		$checkDamage = $item->getDamage() === null ? false : true;
+		$checkTags = $item->getCompoundTag() === null ? false : true;
+
 		foreach($this->getContents() as $index => $i){
-			if($item->equals($i, $checkDamage)){
+			if($item->equals($i, $checkDamage, $checkTags)){
 				$this->clear($index);
 			}
 		}
@@ -196,8 +200,10 @@ abstract class BaseInventory implements Inventory{
 	public function first(Item $item){
 		$count = max(1, $item->getCount());
 		$checkDamage = $item->getDamage() === null ? false : true;
+		$checkTags = $item->getCompoundTag() === null ? false : true;
+
 		foreach($this->getContents() as $index => $i){
-			if($item->equals($i, $checkDamage) and $i->getCount() >= $count){
+			if($item->equals($i, $checkDamage, $checkTags) and $i->getCount() >= $count){
 				return $index;
 			}
 		}
@@ -218,9 +224,10 @@ abstract class BaseInventory implements Inventory{
 	public function canAddItem(Item $item){
 		$item = clone $item;
 		$checkDamage = $item->getDamage() === null ? false : true;
+		$checkTags = $item->getCompoundTag() === null ? false : true;
 		for($i = 0; $i < $this->getSize(); ++$i){
 			$slot = $this->getItem($i);
-			if($item->equals($slot, $checkDamage)){
+			if($item->equals($slot, $checkDamage, $checkTags)){
 				if(($diff = $slot->getMaxStackSize() - $slot->getCount()) > 0){
 					$item->setCount($item->getCount() - $diff);
 				}
@@ -258,7 +265,7 @@ abstract class BaseInventory implements Inventory{
 			}
 
 			foreach($itemSlots as $index => $slot){
-				if($slot->equals($item, true) and $item->getCount() < $item->getMaxStackSize()){
+				if($slot->equals($item) and $item->getCount() < $item->getMaxStackSize()){
 					$amount = min($item->getMaxStackSize() - $item->getCount(), $slot->getCount(), $this->getMaxStackSize());
 					if($amount > 0){
 						$slot->setCount($slot->getCount() - $amount);
@@ -316,7 +323,7 @@ abstract class BaseInventory implements Inventory{
 			}
 
 			foreach($itemSlots as $index => $slot){
-				if($slot->equals($item, $slot->getDamage() === null ? false : true)){
+				if($slot->equals($item, $slot->getDamage() === null ? false : true, $slot->getCompoundTag() === null ? false : true)){
 					$amount = min($item->getCount(), $slot->getCount());
 					$slot->setCount($slot->getCount() - $amount);
 					$item->setCount($item->getCount() - $amount);
diff --git a/src/pocketmine/inventory/CraftingManager.php b/src/pocketmine/inventory/CraftingManager.php
index 717c367eb..459fa8971 100644
--- a/src/pocketmine/inventory/CraftingManager.php
+++ b/src/pocketmine/inventory/CraftingManager.php
@@ -443,7 +443,7 @@ class CraftingManager{
 				foreach($ingredients as $item){
 					$amount = $item->getCount();
 					foreach($checkInput as $k => $checkItem){
-						if($checkItem->equals($item, $checkItem->getDamage() === null ? false : true)){
+						if($checkItem->equals($item, $checkItem->getDamage() === null ? false : true, $checkItem->getCompoundTag() === null ? false : true)){
 							$remove = min($checkItem->getCount(), $amount);
 							$checkItem->setCount($checkItem->getCount() - $remove);
 							if($checkItem->getCount() === 0){
@@ -506,7 +506,7 @@ class CraftingManager{
 					foreach($input as $item){
 						$amount = $item->getCount();
 						foreach($checkInput as $k => $checkItem){
-							if($checkItem->equals($item, $checkItem->getDamage() === null ? false : true)){
+							if($checkItem->equals($item, $checkItem->getDamage() === null ? false : true, $checkItem->getCompoundTag() === null ? false : true)){
 								$remove = min($checkItem->getCount(), $amount);
 								$checkItem->setCount($checkItem->getCount() - $remove);
 								if($checkItem->getCount() === 0){
@@ -540,7 +540,7 @@ class CraftingManager{
 		}
 
 		$checkResult = $recipe->getResult();
-		if($checkResult->equals($result, true) and $checkResult->getCount() === $result->getCount()){
+		if($checkResult->equals($result) and $checkResult->getCount() === $result->getCount()){
 			return $recipe;
 		}
 
diff --git a/src/pocketmine/inventory/ShapelessRecipe.php b/src/pocketmine/inventory/ShapelessRecipe.php
index 550411a2e..99b0778c5 100644
--- a/src/pocketmine/inventory/ShapelessRecipe.php
+++ b/src/pocketmine/inventory/ShapelessRecipe.php
@@ -87,7 +87,7 @@ class ShapelessRecipe implements Recipe{
 			if($item->getCount() <= 0){
 				break;
 			}
-			if($ingredient->equals($item, $item->getDamage() === null ? false : true)){
+			if($ingredient->equals($item, $item->getDamage() === null ? false : true, $item->getCompoundTag() === null ? false : true)){
 				unset($this->ingredients[$index]);
 				$item->setCount($item->getCount() - 1);
 			}
diff --git a/src/pocketmine/inventory/SimpleTransactionGroup.php b/src/pocketmine/inventory/SimpleTransactionGroup.php
index 672bdcd22..c48fd48cc 100644
--- a/src/pocketmine/inventory/SimpleTransactionGroup.php
+++ b/src/pocketmine/inventory/SimpleTransactionGroup.php
@@ -98,7 +98,7 @@ class SimpleTransactionGroup implements TransactionGroup{
 			}
 			$checkSourceItem = $ts->getInventory()->getItem($ts->getSlot());
 			$sourceItem = $ts->getSourceItem();
-			if(!$checkSourceItem->equals($sourceItem, true) or $sourceItem->getCount() !== $checkSourceItem->getCount()){
+			if(!$checkSourceItem->equals($sourceItem) or $sourceItem->getCount() !== $checkSourceItem->getCount()){
 				return false;
 			}
 			if($sourceItem->getId() !== Item::AIR){
@@ -108,7 +108,7 @@ class SimpleTransactionGroup implements TransactionGroup{
 
 		foreach($needItems as $i => $needItem){
 			foreach($haveItems as $j => $haveItem){
-				if($needItem->equals($haveItem, true)){
+				if($needItem->equals($haveItem)){
 					$amount = min($needItem->getCount(), $haveItem->getCount());
 					$needItem->setCount($needItem->getCount() - $amount);
 					$haveItem->setCount($haveItem->getCount() - $amount);
diff --git a/src/pocketmine/item/Item.php b/src/pocketmine/item/Item.php
index 0fb1e3b9f..1186e7947 100644
--- a/src/pocketmine/item/Item.php
+++ b/src/pocketmine/item/Item.php
@@ -406,7 +406,7 @@ class Item{
 	protected $block;
 	protected $id;
 	protected $meta;
-	protected $nbt;
+	protected $nbt = "";
 	public $count;
 	protected $durability = 0;
 	protected $name;
@@ -1048,7 +1048,7 @@ class Item{
 	}
 
 	final public function __toString(){
-		return "Item " . $this->name . " (" . $this->id . ":" . ($this->meta === null ? "?" : $this->meta) . ")x" . $this->count . ($this->hasCompoundTag() ? " userData:0x".bin2hex($this->getCompoundTag()) : "");
+		return "Item " . $this->name . " (" . $this->id . ":" . ($this->meta === null ? "?" : $this->meta) . ")x" . $this->count . ($this->hasCompoundTag() ? " tags:0x".bin2hex($this->getCompoundTag()) : "");
 	}
 
 	public function getDestroySpeed(Block $block, Player $player){
@@ -1059,8 +1059,8 @@ class Item{
 		return false;
 	}
 
-	public final function equals(Item $item, $checkDamage = false){
-		return $this->id === $item->getId() and ($checkDamage === false or $this->getDamage() === $item->getDamage());
+	public final function equals(Item $item, $checkDamage = true, $checkCompound = true){
+		return $this->id === $item->getId() and ($checkDamage === false or $this->getDamage() === $item->getDamage()) and ($checkCompound === false or $this->getCompoundTag() === $item->getCompoundTag());
 	}
 
 }
diff --git a/src/pocketmine/tile/Furnace.php b/src/pocketmine/tile/Furnace.php
index 7779e3e45..74c6a2893 100644
--- a/src/pocketmine/tile/Furnace.php
+++ b/src/pocketmine/tile/Furnace.php
@@ -212,7 +212,7 @@ class Furnace extends Tile implements InventoryHolder, Container{
 		$raw = $this->inventory->getSmelting();
 		$product = $this->inventory->getResult();
 		$smelt = $this->server->getCraftingManager()->matchFurnaceRecipe($raw);
-		$canSmelt = ($smelt instanceof FurnaceRecipe and $raw->getCount() > 0 and (($smelt->getResult()->equals($product, true) and $product->getCount() < $product->getMaxStackSize()) or $product->getId() === Item::AIR));
+		$canSmelt = ($smelt instanceof FurnaceRecipe and $raw->getCount() > 0 and (($smelt->getResult()->equals($product) and $product->getCount() < $product->getMaxStackSize()) or $product->getId() === Item::AIR));
 
 		if($this->namedtag["BurnTime"] <= 0 and $canSmelt and $fuel->getFuelTime() !== null and $fuel->getCount() > 0){
 			$this->checkFuel($fuel);