From 721b987323077b8ac30b021cdd56506f5fcbf65f Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Fri, 7 Jul 2017 00:31:04 +0100
Subject: [PATCH] Make sure content type header is set before checking it

---
 src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index a627fef..6ae37e3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -18,7 +18,7 @@ http.createServer((req, res) => {
 			}
 		});
 
-		if (origRes.headers['content-type'] === 'text/html') {
+		if (origRes.headers['content-type'] && origRes.headers['content-type'].includes('text/html')) {
 			stream = stream.pipe(replaceStream(target, host || req.headers.host));
 		}