diff --git a/app/models/issue.rb b/app/models/issue.rb
index 4b95cc011..e20208484 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -954,7 +954,7 @@ class Issue < ActiveRecord::Base
 
   # Returns a string of css classes that apply to the issue
   def css_classes
-    s = "issue status-#{status_id} #{priority.try(:css_classes)}"
+    s = "issue tracker-#{tracker_id} status-#{status_id} #{priority.try(:css_classes)}"
     s << ' closed' if closed?
     s << ' overdue' if overdue?
     s << ' child' if child?
diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index 6def2f40c..7d4d9b0bb 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -253,9 +253,9 @@ RAW
 
   def test_redmine_links
     issue_link = link_to('#3', {:controller => 'issues', :action => 'show', :id => 3},
-                               :class => 'issue status-1 priority-4 priority-lowest overdue', :title => 'Error 281 when updating a recipe (New)')
+                               :class => Issue.find(3).css_classes, :title => 'Error 281 when updating a recipe (New)')
     note_link = link_to('#3', {:controller => 'issues', :action => 'show', :id => 3, :anchor => 'note-14'},
-                               :class => 'issue status-1 priority-4 priority-lowest overdue', :title => 'Error 281 when updating a recipe (New)')
+                               :class => Issue.find(3).css_classes, :title => 'Error 281 when updating a recipe (New)')
 
     changeset_link = link_to('r1', {:controller => 'repositories', :action => 'revision', :id => 'ecookbook', :rev => 1},
                                    :class => 'changeset', :title => 'My very first commit')
@@ -745,7 +745,7 @@ RAW
 
     expected = <<-EXPECTED
 <p><a href="/projects/ecookbook/wiki/CookBook_documentation" class="wiki-page">CookBook documentation</a></p>
-<p><a href="/issues/1" class="issue status-1 priority-4 priority-lowest" title="Can&#x27;t print recipes (New)">#1</a></p>
+<p><a href="/issues/1" class="#{Issue.find(1).css_classes}" title="Can&#x27;t print recipes (New)">#1</a></p>
 <pre>
 [[CookBook documentation]]
 
diff --git a/test/unit/issue_test.rb b/test/unit/issue_test.rb
index 8f77140d3..7f62c136a 100644
--- a/test/unit/issue_test.rb
+++ b/test/unit/issue_test.rb
@@ -1910,6 +1910,12 @@ class IssueTest < ActiveSupport::TestCase
     assert_equal [Journal.find(1), Journal.find(2)], Issue.find(1).journals_after('')
   end
 
+  def test_css_classes_should_include_tracker
+    issue = Issue.new(:tracker => Tracker.find(2))
+    classes = issue.css_classes.split(' ')
+    assert_include 'tracker-2', classes
+  end
+
   def test_css_classes_should_include_priority
     issue = Issue.new(:priority => IssuePriority.find(8))
     classes = issue.css_classes.split(' ')