diff --git a/src/pocketmine/inventory/DoubleChestInventory.php b/src/pocketmine/inventory/DoubleChestInventory.php
index 3b68ef889..e588de9dc 100644
--- a/src/pocketmine/inventory/DoubleChestInventory.php
+++ b/src/pocketmine/inventory/DoubleChestInventory.php
@@ -139,4 +139,9 @@ class DoubleChestInventory extends ChestInventory implements InventoryHolder{
 	public function getRightSide() : ChestInventory{
 		return $this->right;
 	}
+
+	public function invalidate(){
+		$this->left = null;
+		$this->right = null;
+	}
 }
diff --git a/src/pocketmine/tile/Chest.php b/src/pocketmine/tile/Chest.php
index fc3e472f3..edce48f0a 100644
--- a/src/pocketmine/tile/Chest.php
+++ b/src/pocketmine/tile/Chest.php
@@ -67,8 +67,12 @@ class Chest extends Spawnable implements InventoryHolder, Container, Nameable{
 				$player->removeWindow($this->getRealInventory());
 			}
 
+			if($this->doubleInventory !== null){
+				$this->doubleInventory->invalidate();
+				$this->doubleInventory = null;
+			}
+
 			$this->inventory = null;
-			$this->doubleInventory = null;
 
 			parent::close();
 		}