From 7d9ad57f52c9ac695feb0e06a6d6fb405e457538 Mon Sep 17 00:00:00 2001
From: Fabian Stamm <dev@fabianstamm.de>
Date: Mon, 3 Dec 2018 08:58:37 +0100
Subject: [PATCH] Fixing error

---
 src/core.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.ts b/src/core.ts
index afa103a..43d61f7 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -288,7 +288,7 @@ export class DnsCore {
    private onMessage: ListenerCallback = async (data: Buffer, sender: string, r) => {
       let max_size = 128 * 1024;
       let stream = true;
-      if (typeof r === "number") {
+      if (!r || typeof r === "number") {
          max_size = r;
          stream = false;
       }