diff --git a/src/applications/draft/storage/PhabricatorVersionedDraft.php b/src/applications/draft/storage/PhabricatorVersionedDraft.php
index 145f24a3fb..2840a4249c 100644
--- a/src/applications/draft/storage/PhabricatorVersionedDraft.php
+++ b/src/applications/draft/storage/PhabricatorVersionedDraft.php
@@ -1,83 +1,83 @@
 <?php
 
 final class PhabricatorVersionedDraft extends PhabricatorDraftDAO {
 
   const KEY_VERSION = 'draft.version';
 
   protected $objectPHID;
   protected $authorPHID;
   protected $version;
   protected $properties = array();
 
   protected function getConfiguration() {
     return array(
       self::CONFIG_SERIALIZATION => array(
         'properties' => self::SERIALIZATION_JSON,
       ),
       self::CONFIG_COLUMN_SCHEMA => array(
         'version' => 'uint32',
       ),
       self::CONFIG_KEY_SCHEMA => array(
         'key_object' => array(
           'columns' => array('objectPHID', 'authorPHID', 'version'),
           'unique' => true,
         ),
       ),
     ) + parent::getConfiguration();
   }
 
   public function setProperty($key, $value) {
     $this->properties[$key] = $value;
     return $this;
   }
 
   public function getProperty($key, $default = null) {
     return idx($this->properties, $key, $default);
   }
 
   public static function loadDraft(
     $object_phid,
     $viewer_phid) {
 
     return id(new PhabricatorVersionedDraft())->loadOneWhere(
       'objectPHID = %s AND authorPHID = %s ORDER BY version DESC LIMIT 1',
       $object_phid,
       $viewer_phid);
   }
 
   public static function loadOrCreateDraft(
     $object_phid,
     $viewer_phid,
     $version) {
 
     $draft = self::loadDraft($object_phid, $viewer_phid);
     if ($draft) {
       return $draft;
     }
 
     return id(new PhabricatorVersionedDraft())
       ->setObjectPHID($object_phid)
       ->setAuthorPHID($viewer_phid)
-      ->setVersion($version)
+      ->setVersion((int)$version)
       ->save();
   }
 
   public static function purgeDrafts(
     $object_phid,
     $viewer_phid,
     $version) {
 
     $draft = new PhabricatorVersionedDraft();
     $conn_w = $draft->establishConnection('w');
 
     queryfx(
       $conn_w,
       'DELETE FROM %T WHERE objectPHID = %s AND authorPHID = %s
         AND version <= %d',
       $draft->getTableName(),
       $object_phid,
       $viewer_phid,
       $version);
   }
 
 }