diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index cbf1affe4..f0fd0f0b3 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -461,6 +461,10 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_USERS, $this);
 		$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
 
+		if($this->perm === null){
+			return;
+		}
+
 		$this->perm->recalculatePermissions();
 
 		if($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)){