From 360ab528e4057c99c71ea2dd01195f87dbe57431 Mon Sep 17 00:00:00 2001
From: Rolf Schmidt <rolf.schmidt@zammad.com>
Date: Wed, 28 Oct 2020 16:31:07 +0100
Subject: [PATCH] Fixes #3163 - Individual objects in format "select": No reset
 to empty in trigger possible.

---
 .../app/controllers/_ui_element/ticket_perform_action.coffee    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/app/controllers/_ui_element/ticket_perform_action.coffee b/app/assets/javascripts/app/controllers/_ui_element/ticket_perform_action.coffee
index 98b20b51d..c5175c989 100644
--- a/app/assets/javascripts/app/controllers/_ui_element/ticket_perform_action.coffee
+++ b/app/assets/javascripts/app/controllers/_ui_element/ticket_perform_action.coffee
@@ -315,7 +315,7 @@ class App.UiElement.ticket_perform_action
       if attribute.value && attribute.value[groupAndAttribute]
         config['value'] = _.clone(attribute.value[groupAndAttribute]['value'])
       config.multiple = false
-      config.nulloption = false
+      config.nulloption = config.null
       if config.tag is 'checkbox'
         config.tag = 'select'
       tagSearch = "#{config.tag}_search"