diff --git a/app/views/issues/index.api.rsb b/app/views/issues/index.api.rsb
index da60ea5c67..f1627cdc4e 100644
--- a/app/views/issues/index.api.rsb
+++ b/app/views/issues/index.api.rsb
@@ -4,7 +4,7 @@ api.array :issues, api_meta(:total_count => @issue_count, :offset => @offset, :l
       api.id issue.id
       api.project(:id => issue.project_id, :name => issue.project.name) unless issue.project.nil?
       api.tracker(:id => issue.tracker_id, :name => issue.tracker.name) unless issue.tracker.nil?
-      api.status(:id => issue.status_id, :name => issue.status.name) unless issue.status.nil?
+      api.status(:id => issue.status_id, :name => issue.status.name, :is_closed => issue.status.is_closed) unless issue.status.nil?
       api.priority(:id => issue.priority_id, :name => issue.priority.name) unless issue.priority.nil?
       api.author(:id => issue.author_id, :name => issue.author.name) unless issue.author.nil?
       api.assigned_to(:id => issue.assigned_to_id, :name => issue.assigned_to.name) unless issue.assigned_to.nil?
diff --git a/app/views/issues/show.api.rsb b/app/views/issues/show.api.rsb
index 2151840144..6f23ca4b47 100644
--- a/app/views/issues/show.api.rsb
+++ b/app/views/issues/show.api.rsb
@@ -2,7 +2,7 @@ api.issue do
   api.id @issue.id
   api.project(:id => @issue.project_id, :name => @issue.project.name) unless @issue.project.nil?
   api.tracker(:id => @issue.tracker_id, :name => @issue.tracker.name) unless @issue.tracker.nil?
-  api.status(:id => @issue.status_id, :name => @issue.status.name) unless @issue.status.nil?
+  api.status(:id => @issue.status_id, :name => @issue.status.name, :is_closed => @issue.status.is_closed) unless @issue.status.nil?
   api.priority(:id => @issue.priority_id, :name => @issue.priority.name) unless @issue.priority.nil?
   api.author(:id => @issue.author_id, :name => @issue.author.name) unless @issue.author.nil?
   api.assigned_to(:id => @issue.assigned_to_id, :name => @issue.assigned_to.name) unless @issue.assigned_to.nil?
@@ -80,7 +80,7 @@ api.issue do
 
   api.array :allowed_statuses do
     @allowed_statuses.each do |status|
-      api.status :id => status.id, :name => status.name
+      api.status :id => status.id, :name => status.name, :is_closed => status.is_closed
     end
   end if include_in_api_response?('allowed_statuses')
 end
diff --git a/test/integration/api_test/issues_test.rb b/test/integration/api_test/issues_test.rb
index 4435df6fd8..dee213fda9 100644
--- a/test/integration/api_test/issues_test.rb
+++ b/test/integration/api_test/issues_test.rb
@@ -141,6 +141,16 @@ class Redmine::ApiTest::IssuesTest < Redmine::ApiTest::Base
     assert_select 'issues>issue>is_private', :text => 'false'
   end
 
+  def test_index_should_include_issue_status_is_closed_false
+    get '/issues.xml'
+    assert_select 'issues>issue>status[is_closed=false]'
+  end
+
+  def test_index_should_include_issue_status_is_closed_true
+    get '/issues.xml?status_id=5'
+    assert_select 'issues>issue>status[is_closed=true]'
+  end
+
   def test_index_should_include_spent_hours
     Issue.delete_all
     parent = Issue.generate!(:estimated_hours => 2.0)
@@ -391,6 +401,7 @@ class Redmine::ApiTest::IssuesTest < Redmine::ApiTest::Base
   def test_show_should_include_issue_attributes
     get '/issues/1.xml'
     assert_select 'issue>is_private', :text => 'false'
+    assert_select 'issue>status[is_closed=false]'
   end
 
   test "GET /issues/:id.xml?include=watchers should include watchers" do
@@ -433,13 +444,14 @@ class Redmine::ApiTest::IssuesTest < Redmine::ApiTest::Base
     assert_response :ok
     assert_equal 'application/xml', response.media_type
 
-    allowed_statuses = [[1, 'New'], [2, 'Assigned'], [4, 'Feedback'], [5, 'Closed'], [6, 'Rejected']]
+    allowed_statuses = [[1, 'New', 'false'], [2, 'Assigned', 'false'], [4, 'Feedback', 'false'], [5, 'Closed', 'true'], [6, 'Rejected', 'true']]
     assert_select 'issue allowed_statuses[type=array]' do
       assert_select 'status', allowed_statuses.length
       assert_select('status').each_with_index do |status, idx|
-        id, name, = allowed_statuses[idx]
+        id, name, is_closed = allowed_statuses[idx]
         assert_equal id.to_s, status['id']
         assert_equal name, status['name']
+        assert_equal is_closed, status['is_closed']
       end
     end
   end