From fd1fdfc8dd454067fdfafa95c0b5984596f08445 Mon Sep 17 00:00:00 2001
From: Gerald Monaco <gbmonaco@google.com>
Date: Sun, 9 Feb 2020 21:09:46 +0000
Subject: [PATCH] fix case when err is null

---
 packages/next/next-server/server/next-server.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/next/next-server/server/next-server.ts b/packages/next/next-server/server/next-server.ts
index ae5bac789c03..6b8e9acb714b 100644
--- a/packages/next/next-server/server/next-server.ts
+++ b/packages/next/next-server/server/next-server.ts
@@ -1085,7 +1085,7 @@ export default class Server {
           { ...this.renderOpts, amphtml, hasAmp }
         )
       } catch (err) {
-        if (err.code !== 'ENOENT' || !this.dynamicRoutes) {
+        if (err?.code !== 'ENOENT' || !this.dynamicRoutes) {
           throw err
         }