From 1ed45c8903e8750b818885cb6e48183e4c36f22a Mon Sep 17 00:00:00 2001
From: Joachim Van Herwegen <joachimvh@gmail.com>
Date: Mon, 14 Feb 2022 11:45:10 +0100
Subject: [PATCH] fix: Prevent login page from showing error before redirect

---
 templates/scripts/util.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/templates/scripts/util.js b/templates/scripts/util.js
index f0c8099be..2b07423b5 100644
--- a/templates/scripts/util.js
+++ b/templates/scripts/util.js
@@ -72,7 +72,9 @@ async function addPostListener(formId, errorId, apiTarget, callback) {
 
     try {
       const json = await postJsonForm(formId, apiTarget);
-      callback(json);
+      if (json) {
+        callback(json);
+      }
     } catch (error) {
       errorBlock.innerText = error.message;
     }