diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/ProxyListener.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/ProxyListener.java
index cd0eb7d..10eabda 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/ProxyListener.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/ProxyListener.java
@@ -5,10 +5,12 @@ import com.glyart.authmevelocity.proxy.event.ProxyLoginEvent;
 import com.google.common.io.ByteArrayDataInput;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.command.CommandExecuteEvent;
+import com.velocitypowered.api.event.command.PlayerAvailableCommandsEvent;
 import com.velocitypowered.api.event.connection.DisconnectEvent;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
 import com.velocitypowered.api.event.player.PlayerChatEvent;
 import com.velocitypowered.api.event.player.ServerPreConnectEvent;
+//import com.velocitypowered.api.event.player.TabCompleteEvent;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
 import com.velocitypowered.api.proxy.ServerConnection;
@@ -97,4 +99,25 @@ public class ProxyListener {
 
         event.setResult(ServerPreConnectEvent.ServerResult.denied());
     }
+
+    /*
+    "You have the opportunity to modify the response sent to the remote player."
+    In theory... it could be modified, but the respective methods do not exist.
+    I hope that the other event works for <1.12 even though this one should work.
+    */
+
+    /*@Subscribe
+    public void onTabComplete(TabCompleteEvent event){
+        Player player = event.getPlayer();
+        if (plugin.loggedPlayers.contains(player.getUniqueId())) return;
+        event.setTabComplete();?
+    }*/
+
+    @Subscribe
+    public void onTabComplete(PlayerAvailableCommandsEvent event){
+        Player player = event.getPlayer();
+        if (!plugin.loggedPlayers.contains(player.getUniqueId())) {
+            event.getRootNode().getChildren().iterator().remove();
+        }
+    }
 }