diff --git a/public/500.html b/public/500.html
index 32df573f6..f885d05a0 100644
--- a/public/500.html
+++ b/public/500.html
@@ -2,6 +2,7 @@
         "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
+  <meta charset="utf-8">
   <title>EduCoder 500 error</title>
   <link type="text/css" rel="stylesheet" href="/stylesheets/educoder/edu-main.css" />
   <link href="//at.alicdn.com/t/font_653600_rr8l5v2aaym.css" rel="stylesheet" type="text/css"/>
