diff --git a/src/applications/project/controller/PhabricatorProjectProfileController.php b/src/applications/project/controller/PhabricatorProjectProfileController.php
--- a/src/applications/project/controller/PhabricatorProjectProfileController.php
+++ b/src/applications/project/controller/PhabricatorProjectProfileController.php
@@ -205,7 +205,7 @@
         array(
           PhabricatorProjectStatus::STATUS_ACTIVE,
         ))
-      ->setOrder('newest')
+      ->setOrderVector(array('milestoneNumber', 'id'))
       ->execute();
     if (!$milestones) {
       return null;
diff --git a/src/applications/project/controller/PhabricatorProjectSubprojectsController.php b/src/applications/project/controller/PhabricatorProjectSubprojectsController.php
--- a/src/applications/project/controller/PhabricatorProjectSubprojectsController.php
+++ b/src/applications/project/controller/PhabricatorProjectSubprojectsController.php
@@ -43,7 +43,7 @@
         ->withParentProjectPHIDs(array($project->getPHID()))
         ->needImages(true)
         ->withIsMilestone(true)
-        ->setOrder('newest')
+        ->setOrderVector(array('milestoneNumber', 'id'))
         ->execute();
     } else {
       $milestones = array();
diff --git a/src/applications/project/query/PhabricatorProjectQuery.php b/src/applications/project/query/PhabricatorProjectQuery.php
--- a/src/applications/project/query/PhabricatorProjectQuery.php
+++ b/src/applications/project/query/PhabricatorProjectQuery.php
@@ -170,6 +170,11 @@
         'type' => 'string',
         'unique' => true,
       ),
+      'milestoneNumber' => array(
+        'table' => $this->getPrimaryTableAlias(),
+        'column' => 'milestoneNumber',
+        'type' => 'int',
+      ),
     );
   }