From 255010a71fbb76c5ecd15b2b74a71dbd200dd9de Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Sun, 26 Nov 2017 02:26:33 +0000
Subject: [PATCH] Merged r17032 to 3.4-stable (#27110).

git-svn-id: http://svn.redmine.org/redmine/branches/3.4-stable@17033 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/views/issues/_form.html.erb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/views/issues/_form.html.erb b/app/views/issues/_form.html.erb
index 011928db8..ab19feef2 100644
--- a/app/views/issues/_form.html.erb
+++ b/app/views/issues/_form.html.erb
@@ -14,7 +14,7 @@
                 :onchange => "updateIssueFrom('#{escape_javascript update_issue_form_path(@project, @issue)}', this)" %></p>
 <% end %>
 
-<% if @issue.safe_attribute? 'tracker_id' %>
+<% if @issue.safe_attribute?('tracker_id') || (@issue.persisted? && @issue.tracker_id_changed?) %>
 <p><%= f.select :tracker_id, trackers_options_for_select(@issue), {:required => true},
                 :onchange => "updateIssueFrom('#{escape_javascript update_issue_form_path(@project, @issue)}', this)" %></p>
 <% end %>
-- 
2.39.5