3 files changed, 4 insertions, 4 deletions
diff --git a/modules/gallery/libraries/ORM_MPTT.php b/modules/gallery/libraries/ORM_MPTT.php
index 949ca48c..0ea519c9 100644
--- a/modules/gallery/libraries/ORM_MPTT.php
+++ b/modules/gallery/libraries/ORM_MPTT.php
@@ -201,7 +201,7 @@ class ORM_MPTT_Core extends ORM {
    * @param   array    order_by
    * @return object ORM_Iterator
    */
-  function descendants($limit=null, $offset=0, $where=null, $order_by=array("id" => "ASC")) {
+  function descendants($limit=null, $offset=null, $where=null, $order_by=array("id" => "ASC")) {
     if ($where) {
       $this->merge_where($where);
     }
diff --git a/modules/gallery/models/item.php b/modules/gallery/models/item.php
index e2208b73..e3d27b6d 100644
--- a/modules/gallery/models/item.php
+++ b/modules/gallery/models/item.php
@@ -634,7 +634,7 @@ class Item_Model extends ORM_MPTT {
    * @param   array    additional where clauses
    * @return object ORM_Iterator
    */
-  function descendants($limit=null, $offset=0, $where=array(), $order_by=null) {
+  function descendants($limit=null, $offset=null, $where=array(), $order_by=null) {
     if (empty($order_by)) {
       $order_by = array($this->sort_column => $this->sort_order);
       // Use id as a tie breaker
diff --git a/modules/gallery/tests/ORM_MPTT_Test.php b/modules/gallery/tests/ORM_MPTT_Test.php
index 36a81d2c..69b6bea9 100644
--- a/modules/gallery/tests/ORM_MPTT_Test.php
+++ b/modules/gallery/tests/ORM_MPTT_Test.php
@@ -190,8 +190,8 @@ class ORM_MPTT_Test extends Unit_Test_Case {
     $parent->reload();
 
     $this->assert_equal(3, $parent->descendants()->count());
-    $this->assert_equal(2, $parent->descendants(null, 0, array("type" => "photo"))->count());
-    $this->assert_equal(1, $parent->descendants(null, 0, array("type" => "album"))->count());
+    $this->assert_equal(2, $parent->descendants(null, null, array(array("type", "=", "photo")))->count());
+    $this->assert_equal(1, $parent->descendants(null, null, array(array("type", "=", "album")))->count());
   }
 
   public function descendant_limit_test() {