diff --git a/lib/app.js b/lib/app.js
index d19e816..cafa8db 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -147,7 +147,7 @@ module.exports = (app, options) => {
           }
 
           html = errorHtml
-
+          context.httpCode = 500
           res.status(500)
         } else {
           res.status(context.httpCode)
@@ -157,7 +157,9 @@ module.exports = (app, options) => {
           config.onRender(res, context)
         }
 
-        res.send(html)
+        if (res.statusCode === context.httpCode) {
+          res.send(html)
+        }
       })
     }