diff --git a/lib/navigationlib.php b/lib/navigationlib.php
index da9cb842abc..280b1191be8 100644
--- a/lib/navigationlib.php
+++ b/lib/navigationlib.php
@@ -134,7 +134,9 @@ class navigation_node implements renderable {
     /** @var bool Set to true if we KNOW that this node can be expanded.  */
     public $isexpandable = false;
     /** @var array */
-    protected $namedtypes = array(0=>'system',10=>'category',20=>'course',30=>'structure',40=>'activity',50=>'resource',60=>'custom',70=>'setting',71=>'siteadmin', 80=>'user');
+    protected $namedtypes = array(0 => 'system', 10 => 'category', 20 => 'course', 30 => 'structure', 40 => 'activity',
+                                  50 => 'resource', 60 => 'custom', 70 => 'setting', 71 => 'siteadmin', 80 => 'user',
+                                  90 => 'container');
     /** @var moodle_url */
     protected static $fullmeurl = null;
     /** @var bool toogles auto matching of active node */
diff --git a/lib/tests/navigationlib_test.php b/lib/tests/navigationlib_test.php
index 085e7d9eef4..0848ee8effa 100644
--- a/lib/tests/navigationlib_test.php
+++ b/lib/tests/navigationlib_test.php
@@ -56,6 +56,7 @@ class core_navigationlib_testcase extends advanced_testcase {
         $demo4 = $demo3->add('demo4', $inactiveurl, navigation_node::TYPE_COURSE,  null, 'demo4', new pix_icon('i/course', ''));
         $demo5 = $demo3->add('demo5', $activeurl, navigation_node::TYPE_COURSE, null, 'demo5', new pix_icon('i/course', ''));
         $demo5->add('activity1', null, navigation_node::TYPE_ACTIVITY, null, 'activity1')->make_active();
+        $demo6 = $demo3->add('demo6', null, navigation_node::TYPE_CONTAINER, 'container node test', 'demo6');
         $hiddendemo1 = $this->node->add('hiddendemo1', $inactiveurl, navigation_node::TYPE_CATEGORY, null, 'hiddendemo1', new pix_icon('i/course', ''));
         $hiddendemo1->hidden = true;
         $hiddendemo1->add('hiddendemo2', $inactiveurl, navigation_node::TYPE_COURSE, null, 'hiddendemo2', new pix_icon('i/course', ''))->helpbutton = 'Here is a help button';
@@ -239,9 +240,11 @@ class core_navigationlib_testcase extends advanced_testcase {
         $csstype2 = $this->node->get('demo3')->get('demo5')->get_css_type();
         $this->node->get('demo3')->get('demo5')->type = 1000;
         $csstype3 = $this->node->get('demo3')->get('demo5')->get_css_type();
+        $csstype4 = $this->node->get('demo3')->get('demo6')->get_css_type();
         $this->assertSame('type_category', $csstype1);
         $this->assertSame('type_course', $csstype2);
         $this->assertSame('type_unknown', $csstype3);
+        $this->assertSame('type_container', $csstype4);
     }
 
     public function test_node_make_active() {