diff --git a/src/pocketmine/entity/Living.php b/src/pocketmine/entity/Living.php
index 27bba8bcc..dbe4112e3 100644
--- a/src/pocketmine/entity/Living.php
+++ b/src/pocketmine/entity/Living.php
@@ -58,6 +58,9 @@ abstract class Living extends Entity implements Damageable{
 	public abstract function getName();
 
 	public function attack($damage, $source = EntityDamageEvent::CAUSE_MAGIC){
+		if($this instanceof Player and ($this->getGamemode() & 0x01) === 1 and $source != EntityDamageEvent::CAUSE_MAGIC) {
+			return;
+		}
 		//TODO: attack tick limit
 		$pk = new EntityEventPacket();
 		$pk->eid = $this->getID();
@@ -103,4 +106,4 @@ abstract class Living extends Entity implements Damageable{
 	public function getDrops(){
 		return [];
 	}
-}
\ No newline at end of file
+}