diff --git a/src/pocketmine/network/mcpe/protocol/CraftingDataPacket.php b/src/pocketmine/network/mcpe/protocol/CraftingDataPacket.php
index ae45fb72b..3e5c483cf 100644
--- a/src/pocketmine/network/mcpe/protocol/CraftingDataPacket.php
+++ b/src/pocketmine/network/mcpe/protocol/CraftingDataPacket.php
@@ -68,7 +68,7 @@ class CraftingDataPacket extends DataPacket{
 	public function clean(){
 		$this->entries = [];
 		$this->decodedEntries = [];
-		return parent::clean();
+		parent::clean();
 	}
 
 	protected function decodePayload(){