diff --git a/src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt b/src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt
index 33cdd1b..2cc7343 100644
--- a/src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt
+++ b/src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt
@@ -121,6 +121,7 @@ class LoginState : ConnectionState {
         cryptoKey = AspirinServer.mcCryptoKey
         cryptoRequest.publicKey = cryptoKey.public
         cryptoRequest.nonce = frontNonce
+        cryptoRequest.isAuthenticate = true
 
         send(frontChannel, cryptoRequest, true)
     }