From 783fd2e1e88dbe02c9e2553de08373266ac77400 Mon Sep 17 00:00:00 2001
From: Janne Koschinski <janne@kuschku.de>
Date: Mon, 11 Mar 2019 22:47:08 +0100
Subject: [PATCH] Fixes content type header

---
 main.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/main.go b/main.go
index 1fc15da..91fea4a 100644
--- a/main.go
+++ b/main.go
@@ -108,8 +108,10 @@ func errorHandler(errorFilesPath string) func(http.ResponseWriter, *http.Request
 
 		cext, err := mime.ExtensionsByType(format)
 		if err != nil {
+			format = "text/html"
 			log.Printf("unexpected error reading media type extension: %v. Using %v", err, strings.Join(exts, ", "))
 		} else if len(cext) == 0 {
+			format = "text/html"
 			log.Printf("couldn't get media type extension. Using %v", strings.Join(exts, ", "))
 		} else {
 			exts = cext
-- 
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