diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 49014c463..7e62b59fd 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -715,7 +715,7 @@ abstract class Entity extends Location implements Metadatable, EntityIds{
 	}
 
 	public function saveNBT() : CompoundTag{
-		$nbt = new CompoundTag();
+		$nbt = new CompoundTag("");
 		if(!($this instanceof Player)){
 			$nbt->setString("id", EntityFactory::getSaveId(get_class($this)));
 
diff --git a/src/pocketmine/item/Item.php b/src/pocketmine/item/Item.php
index eeb7a92a3..ea17e6978 100644
--- a/src/pocketmine/item/Item.php
+++ b/src/pocketmine/item/Item.php
@@ -518,7 +518,7 @@ class Item implements ItemIds, \JsonSerializable{
 	 * @return CompoundTag
 	 */
 	public function getNamedTag() : CompoundTag{
-		return $this->nbt ?? ($this->nbt = new CompoundTag());
+		return $this->nbt ?? ($this->nbt = new CompoundTag(""));
 	}
 
 	/**
diff --git a/src/pocketmine/tile/Tile.php b/src/pocketmine/tile/Tile.php
index 963129dfb..4cadd2b51 100644
--- a/src/pocketmine/tile/Tile.php
+++ b/src/pocketmine/tile/Tile.php
@@ -72,7 +72,7 @@ abstract class Tile extends Position{
 	abstract protected function writeSaveData(CompoundTag $nbt) : void;
 
 	public function saveNBT() : CompoundTag{
-		$nbt = new CompoundTag();
+		$nbt = new CompoundTag("");
 		$nbt->setString(self::TAG_ID, TileFactory::getSaveId(get_class($this)));
 		$nbt->setInt(self::TAG_X, $this->x);
 		$nbt->setInt(self::TAG_Y, $this->y);
@@ -83,7 +83,7 @@ abstract class Tile extends Position{
 	}
 
 	public function getCleanedNBT() : ?CompoundTag{
-		$this->writeSaveData($tag = new CompoundTag());
+		$this->writeSaveData($tag = new CompoundTag(""));
 		return $tag->getCount() > 0 ? $tag : null;
 	}