diff --git a/ssl/tls13_server.c b/ssl/tls13_server.c
index 48279a7..4cfd265 100644
--- a/ssl/tls13_server.c
+++ b/ssl/tls13_server.c
@@ -172,7 +172,7 @@
       ssl->ctx->dos_protection_cb(&client_hello) == 0) {
     /* Connection rejected for DOS reasons. */
     OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_REJECTED);
-    ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_ACCESS_DENIED);
+    ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
     return ssl_hs_error;
   }