diff --git a/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php b/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
index 9fd2145886..5652a96731 100644
--- a/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
@@ -1,35 +1,35 @@
 <?php
 
 final class PhabricatorProjectColumnCreatedOrder
   extends PhabricatorProjectColumnOrder {
 
   const ORDERKEY = 'created';
 
   public function getDisplayName() {
     return pht('Sort by Created Date');
   }
 
   protected function newMenuIconIcon() {
     return 'fa-clock-o';
   }
 
   public function getHasHeaders() {
     return false;
   }
 
   public function getCanReorder() {
     return false;
   }
 
   public function getMenuOrder() {
     return 3000;
   }
 
   protected function newSortVectorForObject($object) {
     return array(
-      -(int)$object->getDateCreated(),
-      -(int)$object->getID(),
+      -1 * (int)$object->getDateCreated(),
+      -1 * (int)$object->getID(),
     );
   }
 
 }
diff --git a/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php b/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php
index ad75f6135b..3cf758cbc8 100644
--- a/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php
@@ -1,50 +1,50 @@
 <?php
 
 final class PhabricatorProjectColumnPointsOrder
   extends PhabricatorProjectColumnOrder {
 
   const ORDERKEY = 'points';
 
   public function getDisplayName() {
     return pht('Sort by Points');
   }
 
   protected function newMenuIconIcon() {
     return 'fa-map-pin';
   }
 
   public function isEnabled() {
     return ManiphestTaskPoints::getIsEnabled();
   }
 
   public function getHasHeaders() {
     return false;
   }
 
   public function getCanReorder() {
     return false;
   }
 
   public function getMenuOrder() {
     return 4000;
   }
 
   protected function newSortVectorForObject($object) {
     $points = $object->getPoints();
 
     // Put cards with no points on top.
     $has_points = ($points !== null);
     if (!$has_points) {
       $overall_order = 0;
     } else {
       $overall_order = 1;
     }
 
     return array(
       $overall_order,
-      -(double)$points,
-      -(int)$object->getID(),
+      -1.0 * (double)$points,
+      -1 * (int)$object->getID(),
     );
   }
 
 }
diff --git a/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php b/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php
index 1a73145148..10fcafad76 100644
--- a/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php
@@ -1,103 +1,103 @@
 <?php
 
 final class PhabricatorProjectColumnPriorityOrder
   extends PhabricatorProjectColumnOrder {
 
   const ORDERKEY = 'priority';
 
   public function getDisplayName() {
     return pht('Group by Priority');
   }
 
   protected function newMenuIconIcon() {
     return 'fa-sort-numeric-asc';
   }
 
   public function getHasHeaders() {
     return true;
   }
 
   public function getCanReorder() {
     return true;
   }
 
   public function getMenuOrder() {
     return 1000;
   }
 
   protected function newHeaderKeyForObject($object) {
     return $this->newHeaderKeyForPriority($object->getPriority());
   }
 
   private function newHeaderKeyForPriority($priority) {
     return sprintf('priority(%d)', $priority);
   }
 
   protected function newSortVectorForObject($object) {
     return $this->newSortVectorForPriority($object->getPriority());
   }
 
   private function newSortVectorForPriority($priority) {
     return array(
-      -(int)$priority,
+      -1 * (int)$priority,
     );
   }
 
   protected function newHeadersForObjects(array $objects) {
     $priorities = ManiphestTaskPriority::getTaskPriorityMap();
 
     // It's possible for tasks to have an invalid/unknown priority in the
     // database. We still want to generate a header for these tasks so we
     // don't break the workboard.
     $priorities = $priorities + mpull($objects, null, 'getPriority');
 
     $priorities = array_keys($priorities);
 
     $headers = array();
     foreach ($priorities as $priority) {
       $header_key = $this->newHeaderKeyForPriority($priority);
       $sort_vector = $this->newSortVectorForPriority($priority);
 
       $priority_name = ManiphestTaskPriority::getTaskPriorityName($priority);
       $priority_color = ManiphestTaskPriority::getTaskPriorityColor($priority);
       $priority_icon = ManiphestTaskPriority::getTaskPriorityIcon($priority);
 
       $icon_view = id(new PHUIIconView())
         ->setIcon($priority_icon, $priority_color);
 
       $header = $this->newHeader()
         ->setHeaderKey($header_key)
         ->setSortVector($sort_vector)
         ->setName($priority_name)
         ->setIcon($icon_view)
         ->setEditProperties(
           array(
             'value' => (int)$priority,
           ));
 
       $headers[] = $header;
     }
 
     return $headers;
   }
 
   protected function newColumnTransactions($object, array $header) {
     $new_priority = idx($header, 'value');
 
     if ($object->getPriority() === $new_priority) {
       return null;
     }
 
     $keyword_map = ManiphestTaskPriority::getTaskPriorityKeywordsMap();
     $keyword = head(idx($keyword_map, $new_priority));
 
     $xactions = array();
     $xactions[] = $this->newTransaction($object)
       ->setTransactionType(ManiphestTaskPriorityTransaction::TRANSACTIONTYPE)
       ->setNewValue($keyword);
 
     return $xactions;
   }
 
 
 }