diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/FastLoginBukkit.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/FastLoginBukkit.java
index 9c2fa3a7..3121cbca 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/FastLoginBukkit.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/FastLoginBukkit.java
@@ -25,6 +25,7 @@
  */
 package com.github.games647.fastlogin.bukkit;
 
+import com.comphenix.protocol.ProtocolLibrary;
 import com.github.games647.fastlogin.bukkit.command.CrackedCommand;
 import com.github.games647.fastlogin.bukkit.command.PremiumCommand;
 import com.github.games647.fastlogin.bukkit.listener.ConnectionListener;
@@ -202,6 +203,10 @@ public class FastLoginBukkit extends JavaPlugin implements PlatformPlugin<Comman
                 logger.error("Failed to unregister placeholder", exception);
             }
         }
+
+        if (isPluginInstalled("ProtocolLib")) {
+            ProtocolLibrary.getProtocolManager().getAsynchronousManager().unregisterAsyncHandlers(this);
+        }
     }
 
     public FastLoginCore<Player, CommandSender, FastLoginBukkit> getCore() {