diff --git a/app/models/project.rb b/app/models/project.rb
index 0119b1228..aba2ef4b5 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -122,7 +122,7 @@ class Project < ActiveRecord::Base
       self.enabled_module_names = Setting.default_projects_modules
     end
     if !initialized.key?('trackers') && !initialized.key?('tracker_ids')
-      default = Setting.default_projects_tracker_ids
+      default = Setting.default_projects_tracker_ids.presence
       if default.is_a?(Array)
         self.trackers = Tracker.where(:id => default.map(&:to_i)).sorted.to_a
       else
diff --git a/test/unit/project_test.rb b/test/unit/project_test.rb
index 5198d040a..c60bad2bc 100644
--- a/test/unit/project_test.rb
+++ b/test/unit/project_test.rb
@@ -92,9 +92,9 @@ class ProjectTest < ActiveSupport::TestCase
     end
   end
 
-  def test_default_trackers_should_be_empty_with_empty_setting
+  def test_default_trackers_should_be_all_trackers_with_empty_setting
     with_settings :default_projects_tracker_ids => [] do
-      assert_equal [], Project.new.trackers
+      assert_equal Tracker.all.sort, Project.new.trackers.sort
     end
   end