From e89b2be1f13fdb3bd804eaa9233616b07bcdf6cd Mon Sep 17 00:00:00 2001
From: Livio Amstutz <livio.a@gmail.com>
Date: Wed, 21 Jul 2021 11:23:55 +0200
Subject: [PATCH] fix: eventListener in input_suffix_offset.js (#2053)

---
 .../login/static/resources/scripts/input_suffix_offset.js   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/internal/ui/login/static/resources/scripts/input_suffix_offset.js b/internal/ui/login/static/resources/scripts/input_suffix_offset.js
index ab8556b55b..fa706378e5 100644
--- a/internal/ui/login/static/resources/scripts/input_suffix_offset.js
+++ b/internal/ui/login/static/resources/scripts/input_suffix_offset.js
@@ -1,8 +1,10 @@
 const suffix = document.getElementById('default-login-suffix');
 const suffixInput = document.getElementsByClassName('lgn-suffix-input')[0];
 
-calculateOffset();
-suffix.addEventListener("DOMCharacterDataModified", calculateOffset);
+if (suffix && suffixInput) {
+    calculateOffset();
+    suffix.addEventListener("DOMCharacterDataModified", calculateOffset);
+}
 
 function calculateOffset() {
     // add suffix width to inner right padding of the input field