diff --git a/app/models/project.rb b/app/models/project.rb
index fd9d647..6e0540f 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -672,6 +672,7 @@ class Project < ActiveRecord::Base
     'description',
     'homepage',
     'is_public',
+    'private_issues_is_checked',
     'identifier',
     'custom_field_values',
     'custom_fields',
diff --git a/app/views/issues/_form.html.erb b/app/views/issues/_form.html.erb
index 401789c..fa001d3 100644
--- a/app/views/issues/_form.html.erb
+++ b/app/views/issues/_form.html.erb
@@ -3,7 +3,7 @@
 
 <% if @issue.safe_attribute? 'is_private' %>
 <p style="float:right; margin-right:1em;">
-  <%= f.check_box :is_private, :no_label => true %><label class="inline" for="issue_is_private" id="issue_is_private_label"><%= l(:field_is_private) %></label>
+  <%= f.check_box :is_private, :checked => (@issue.new_record? && @issue.tracker.private_issues_is_checked?) || (!@issue.new_record? && @issue.is_private?), :no_label  => true %>
 </p>
 <% end %>
 
diff --git a/app/views/issues/new.html.erb b/app/views/issues/new.html.erb
index 40dae18..f465d4c 100644
--- a/app/views/issues/new.html.erb
+++ b/app/views/issues/new.html.erb
@@ -10,7 +10,6 @@
     <div id="all_attributes">
     <%= render :partial => 'issues/form', :locals => {:f => f} %>
     </div>
-
     <% if @copy_from && @copy_from.attachments.any? %>
     <p>
       <label for="copy_attachments"><%= l(:label_copy_attachments) %></label>
diff --git a/app/views/trackers/_form.html.erb b/app/views/trackers/_form.html.erb
index 4c73555..645e540 100644
--- a/app/views/trackers/_form.html.erb
+++ b/app/views/trackers/_form.html.erb
@@ -5,6 +5,7 @@
 <!--[form:tracker]-->
 <p><%= f.text_field :name, :required => true %></p>
 <p><%= f.check_box :is_in_roadmap %></p>
+<p><%= f.check_box :private_issues_is_checked %></p>
 
 <p>
   <label><%= l(:field_core_fields) %></label>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 58ce86c..fe3407a 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -321,6 +321,7 @@ en:
   field_warn_on_leaving_unsaved: "Warn me when leaving a page with unsaved text"
   field_issues_visibility: Issues visibility
   field_is_private: Private
+  field_private_issues_is_checked: Private issues by default
   field_commit_logs_encoding: Commit messages encoding
   field_scm_path_encoding: Path encoding
   field_path_to_repository: Path to repository
diff --git a/db/migrate/20140801_add_default_private_checkbox.rb b/db/migrate/20140801_add_default_private_checkbox.rb
new file mode 100644
index 0000000..522386b
--- /dev/null
+++ b/db/migrate/20140801_add_default_private_checkbox.rb
@@ -0,0 +1,9 @@
+class AddDefaultPrivateCheckbox < ActiveRecord::Migration
+  def self.up
+    add_column :trackers, :private_issues_is_checked, :boolean, :default => false, :null => false
+  end
+
+  def self.down
+    remove_column :trackers, :private_issues_is_checked
+  end
+end
diff --git a/plugins/redmine_track_control/app/views/issues/_form.html.erb b/plugins/redmine_track_control/app/views/issues/_form.html.erb
index 07b3fcb..3f12a78 100644
--- a/plugins/redmine_track_control/app/views/issues/_form.html.erb
+++ b/plugins/redmine_track_control/app/views/issues/_form.html.erb
@@ -3,7 +3,7 @@
 
 <% if @issue.safe_attribute? 'is_private' %>
 <p style="float:right; margin-right:1em;">
-  <%= f.check_box :is_private, :no_label => true %><label class="inline" for="issue_is_private" id="issue_is_private_label"><%= l(:field_is_private) %></label>
+  <%= f.check_box :is_private, :checked => (@issue.new_record? && @issue.tracker.private_issues_is_checked?) || (!@issue.new_record? && @issue.is_private?), :no_label  => true %>
 </p>
 <% end %>