diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 47759bdd2f..acee86a7ad 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1628,7 +1628,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 			$nbt->playerGameType = new IntTag("playerGameType", $this->gamemode);
 		}
 
-		$this->allowFlight = (bool) $this->gamemode & 0x01;
+		$this->allowFlight = (bool) ($this->gamemode & 0x01);
 
 		if(($level = $this->server->getLevelByName($nbt["Level"])) === null){
 			$this->setLevel($this->server->getDefaultLevel());