diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 03e14ad42..28fb46d57 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -4122,7 +4122,8 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 	}
 
 	public function onChunkChanged(Chunk $chunk){
-		if(isset($this->usedChunks[$hash = Level::chunkHash($chunk->getX(), $chunk->getZ())])){
+		$hasSent = $this->usedChunks[$hash = Level::chunkHash($chunk->getX(), $chunk->getZ())] ?? false;
+		if($hasSent){
 			$this->usedChunks[$hash] = false;
 			$this->nextChunkOrderRun = 0;
 		}