diff --git a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java
index a7717055..be7a82b2 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java
@@ -1287,6 +1287,11 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player,
   public void switchToConfigState() {
     server.getEventManager().fire(new PlayerEnterConfigurationEvent(this, getConnectionInFlightOrConnectedServer()))
         .completeOnTimeout(null, 5, TimeUnit.SECONDS).thenRunAsync(() -> {
+          // if the connection was closed earlier, there is a risk that the player is no longer connected
+          if (!connection.getChannel().isActive()) {
+            return;
+          }
+
           if (bundleHandler.isInBundleSession()) {
             bundleHandler.toggleBundleSession();
             connection.write(BundleDelimiterPacket.INSTANCE);