diff --git a/lib/woodland.js b/lib/woodland.js
index f1d5e3a..6517eb1 100644
--- a/lib/woodland.js
+++ b/lib/woodland.js
@@ -26,7 +26,7 @@ class Woodland {
 				status = numeric ? Number(err.message) : 500,
 				body = numeric ? http.STATUS_CODES[status] : err.message;
 
-			res.writeHead(status);
+			res.writeHead(status, {"Content-Type": "text/plain"});
 			res.end(body);
 		};
 		this.onfinish = () => {};
diff --git a/package.json b/package.json
index 2f1274b..9a9702b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "woodland",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "Lightweight HTTP/HTTPS router with virtual hosts",
   "main": "index.js",
   "scripts": {
diff --git a/test/test.js b/test/test.js
index 6cd9db5..c945ff7 100644
--- a/test/test.js
+++ b/test/test.js
@@ -59,6 +59,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(405)
 			.expectHeader("Allow", "GET, HEAD, OPTIONS")
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Method Not Allowed/)
 			.end(function (err) {
 				if (err) throw err;
@@ -72,6 +73,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(405)
 			.expectHeader("Allow", "GET, HEAD, OPTIONS")
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Method Not Allowed/)
 			.end(function (err) {
 				if (err) throw err;
@@ -85,6 +87,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(405)
 			.expectHeader("Allow", "GET, HEAD, OPTIONS")
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Method Not Allowed/)
 			.end(function (err) {
 				if (err) throw err;
@@ -98,6 +101,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(405)
 			.expectHeader("Allow", "GET, HEAD, OPTIONS")
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Method Not Allowed/)
 			.end(function (err) {
 				if (err) throw err;
@@ -111,6 +115,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -124,6 +129,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -137,6 +143,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -151,6 +158,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -164,6 +172,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -177,6 +186,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;
@@ -190,6 +200,7 @@ describe("Invalid Requests", function () {
 			.expectStatus(404)
 			.expectHeader("Allow", undefined)
 			.expectHeader("Cache-Control", "no-cache")
+			.expectHeader("Content-Type", "text/plain")
 			.expectBody(/Not Found/)
 			.end(function (err) {
 				if (err) throw err;