diff --git a/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php b/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
--- a/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnCreatedOrder.php
@@ -27,8 +27,8 @@
 
   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
--- a/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnPointsOrder.php
@@ -42,8 +42,8 @@
 
     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
--- a/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php
+++ b/src/applications/project/order/PhabricatorProjectColumnPriorityOrder.php
@@ -39,7 +39,7 @@
 
   private function newSortVectorForPriority($priority) {
     return array(
-      -(int)$priority,
+      -1 * (int)$priority,
     );
   }