diff --git a/lavalink/PlayerManager.py b/lavalink/PlayerManager.py
index <HASH>..<HASH> 100644
--- a/lavalink/PlayerManager.py
+++ b/lavalink/PlayerManager.py
@@ -138,7 +138,7 @@ class PlayerManager:
         :param player:

             Must implement lavalink.BasePlayer.

         """

-        if not isinstance(player, BasePlayer):

+        if not issubclass(player, BasePlayer):

             raise ValueError('player must implement baseplayer')

 

         self.lavalink = lavalink
isinstance -> issubclass