diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 897ec95aa..ee11ca180 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1338,6 +1338,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		$pk = new AdventureSettingsPacket();
 		$pk->flags = 0;
 		$pk->worldImmutable = $this->isSpectator();
+		$pk->noPvp = $this->isSpectator();
 		$pk->autoJump = $this->autoJump;
 		$pk->allowFlight = $this->allowFlight;
 		$pk->noClip = $this->isSpectator();