diff --git a/tsconfig.json b/tsconfig.json
index c56469a..b8ec73d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
     "removeComments": true,
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
-    "target": "esnext",
+    "target": "ES2018",
     "sourceMap": true,
     "outDir": "./dist",
     "baseUrl": "./",
diff --git a/views/index.ejs b/views/index.ejs
index 58f3a2b..7bd465e 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -7,7 +7,11 @@
 	<meta http-equiv="X-UA-Compatible" content="ie=edge">
 	<meta name="robots" content="noindex, nofollow">
 
-	<title> <%= response?.error %> </title>
+	<title>
+		<% if (response && response.error) { %>
+			<%= response.error %>
+		<% } %>
+	</title>
 	<style type="text/css"> <%= cssRaw %> </style>
 </head>
 
@@ -69,11 +73,20 @@
 							<div class="text-2xl">
 								<span class="ui-exception-class">
 									<span>
-										<%= errorObject.error %> [<%= response?.statusCode || 500 %>]
+										<%= errorObject.error %>
+										<% if (response && response.statusCode) { %>
+											[<%= response.statusCode %>]
+										<% } %>
+
+										<% if (!response) { %>
+											[500]
+										<% } %>
 									</span>
 								</span>
 								<div class="ui-exception-message">
-									<%= response?.message %>
+									<% if (response && response.message) { %>
+										<%= response.message %>
+									<% } %>
 								</div>
 							</div>
 							<div>