diff --git a/src/controllers/index.js b/src/controllers/index.js
index c5549a7357..a53c48a627 100644
--- a/src/controllers/index.js
+++ b/src/controllers/index.js
@@ -152,7 +152,7 @@ Controllers.register = async function (req, res, next) {
 			try {
 				await user.verifyInvitation(req.query);
 			} catch (e) {
-				res.render('400', {
+				return res.render('400', {
 					error: e.message,
 				});
 			}