diff --git a/src/pocketmine/inventory/transaction/action/DropItemAction.php b/src/pocketmine/inventory/transaction/action/DropItemAction.php
index 4109fe73c..98e0be68b 100644
--- a/src/pocketmine/inventory/transaction/action/DropItemAction.php
+++ b/src/pocketmine/inventory/transaction/action/DropItemAction.php
@@ -24,6 +24,8 @@ declare(strict_types=1);
 namespace pocketmine\inventory\transaction\action;
 
 use pocketmine\event\player\PlayerDropItemEvent;
+use pocketmine\item\Item;
+use pocketmine\item\ItemFactory;
 use pocketmine\Player;
 
 /**
@@ -31,15 +33,12 @@ use pocketmine\Player;
  */
 class DropItemAction extends InventoryAction{
 
-	/**
-	 * Verifies that the source item of a drop-item action must be air. This is not strictly necessary, just a sanity
-	 * check.
-	 *
-	 * @param Player $source
-	 * @return bool
-	 */
+	public function __construct(Item $targetItem){
+		parent::__construct(ItemFactory::get(Item::AIR, 0, 0), $targetItem);
+	}
+
 	public function isValid(Player $source) : bool{
-		return $this->sourceItem->isNull();
+		return true;
 	}
 
 	public function onPreExecute(Player $source) : bool{
diff --git a/src/pocketmine/network/mcpe/protocol/types/NetworkInventoryAction.php b/src/pocketmine/network/mcpe/protocol/types/NetworkInventoryAction.php
index 0373ee7c5..caab97964 100644
--- a/src/pocketmine/network/mcpe/protocol/types/NetworkInventoryAction.php
+++ b/src/pocketmine/network/mcpe/protocol/types/NetworkInventoryAction.php
@@ -170,7 +170,7 @@ class NetworkInventoryAction{
 					throw new \UnexpectedValueException("Only expecting drop-item world actions from the client!");
 				}
 
-				return new DropItemAction($this->oldItem, $this->newItem);
+				return new DropItemAction($this->newItem);
 			case self::SOURCE_CREATIVE:
 				switch($this->inventorySlot){
 					case self::ACTION_MAGIC_SLOT_CREATIVE_DELETE_ITEM: