diff --git a/model/CorouteInternalServer.js b/model/CorouteInternalServer.js
index d9104a9..1c56c40 100644
--- a/model/CorouteInternalServer.js
+++ b/model/CorouteInternalServer.js
@@ -72,8 +72,9 @@ module.exports = class CorouteInternalServer {
 	async startServer () {
 		if (this.options.hasOwnProperty('https')) {
 			this.internalServer = https.createServer({
-				'key': (await pfs.readFile(path.resolve(process.cwd(), this.options.https.key))).toString(),
-				'cert': (await pfs.readFile(path.resolve(process.cwd(), this.options.https.cert))).toString()
+				'key': await pfs.readFile(path.resolve(process.cwd(), this.options.https.key)),
+				'cert': await pfs.readFile(path.resolve(process.cwd(), this.options.https.cert)),
+				'passphrase': this.options.https.passphrase
 			}, this.app.serverHandler)
 		}
 		else {
diff --git a/package.json b/package.json
index 1790e0c..bdd4a7f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "coroute",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "The awesome Node.js HTTP reverse-proxy server!",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"