diff --git a/core/modules/tracker/src/Tests/TrackerTest.php b/core/modules/tracker/src/Tests/TrackerTest.php
index 94e981d..a09eb5c 100644
--- a/core/modules/tracker/src/Tests/TrackerTest.php
+++ b/core/modules/tracker/src/Tests/TrackerTest.php
@@ -9,6 +9,7 @@
 
 use Drupal\comment\CommentInterface;
 use Drupal\comment\Tests\CommentTestTrait;
+use Drupal\field\Entity\FieldStorageConfig;
 use Drupal\simpletest\WebTestBase;
 
 /**
@@ -25,7 +26,7 @@ class TrackerTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('comment', 'tracker', 'history');
+  public static $modules = array('comment', 'tracker', 'history', 'node_test');
 
   /**
    * The main user for testing.
@@ -76,6 +77,21 @@ function testTrackerAll() {
     $published->delete();
     $this->drupalGet('activity');
     $this->assertNoText($published->label(), 'Deleted node does not show up in the tracker listing.');
+
+    // Test proper display of time on activity page when comments are disabled.
+    // Disable comments.
+    FieldStorageConfig::loadByName('node', 'comment')->delete();
+    $node = $this->drupalCreateNode([
+      // This title is required to trigger the custom changed time set in the
+      // node_test module. This is needed in order to ensure a sufficiently
+      // large 'time ago' interval that isn't numbered in seconds.
+      'title' => 'testing_node_presave',
+      'status' => 1,
+    ]);
+
+    $this->drupalGet('activity');
+    $this->assertText($node->label(), 'Published node shows up in the tracker listing.');
+    $this->assertText(\Drupal::service('date.formatter')->formatInterval(REQUEST_TIME - $node->getChangedTime()), 'The changed time was displayed on the tracker listing.');
   }
 
   /**
diff --git a/core/modules/tracker/tracker.pages.inc b/core/modules/tracker/tracker.pages.inc
index 2b32ed3..d762e00 100644
--- a/core/modules/tracker/tracker.pages.inc
+++ b/core/modules/tracker/tracker.pages.inc
@@ -61,12 +61,14 @@ function tracker_page($account = NULL) {
       else {
         $nodes[$nid]->comment_count += $statistics->comment_count;
       }
-
-      $nodes[$nid]->last_activity = $tracker_data[$nid]->changed;
     }
 
     // Display the data.
     foreach ($nodes as $node) {
+      // Set the last activity time from tracker data. This also takes into
+      // account comment activity, so getChangedTime() is not used.
+      $node->last_activity = $tracker_data[$node->id()]->changed;
+
       // Determine the number of comments.
       $comments = 0;
       if ($node->comment_count) {