diff --git a/server.js b/server.js
index 00b7ede..4f5850a 100644
--- a/server.js
+++ b/server.js
@@ -41,7 +41,7 @@ app.post('/', function(req, res) {
 
   // Make sure the email message is not empty
   if (!emailMessage) {
-    res.send({
+    res.status(400).send({
       error: 'Error, email message is empty'
     });
     return;