diff --git a/src/pocketmine/block/Block.php b/src/pocketmine/block/Block.php
index 1cb51ff3c..201e10d53 100644
--- a/src/pocketmine/block/Block.php
+++ b/src/pocketmine/block/Block.php
@@ -987,6 +987,7 @@ class Block extends Position implements Metadatable{
 		$this->y = (int) $v->y;
 		$this->z = (int) $v->z;
 		$this->level = $v->level;
+		$this->boundingBox = null;
 	}
 
 	/**
@@ -1067,7 +1068,7 @@ class Block extends Position implements Metadatable{
 		if($this->boundingBox !== null){
 			return $this->boundingBox;
 		}else{
-			return $this->boundingBox = $this->recalculateBoundingBox();
+			return ($this->boundingBox = $this->recalculateBoundingBox());
 		}
 	}
 
diff --git a/src/pocketmine/item/Item.php b/src/pocketmine/item/Item.php
index 8a5de9b75..301dd1e78 100644
--- a/src/pocketmine/item/Item.php
+++ b/src/pocketmine/item/Item.php
@@ -565,7 +565,7 @@ class Item{
 
 	public function getBlock(){
 		if($this->block instanceof Block){
-			return $this->block;
+			return clone $this->block;
 		}else{
 			return Block::get(self::AIR);
 		}