diff --git a/admin/inc/class.bocategories.inc.php b/admin/inc/class.bocategories.inc.php
index dbd414c29c..3d1f4f2527 100644
--- a/admin/inc/class.bocategories.inc.php
+++ b/admin/inc/class.bocategories.inc.php
@@ -147,14 +147,7 @@
 		{
 			if (is_array($data))
 			{
-				$cat_id			= $data['cat_id'];
-				$drop_subs		= (isset($data['drop_subs'])?$data['drop_subs']:False);
-				$modify_subs	= (isset($data['modify_subs'])?$data['modify_subs']:False);				
-
-				if ($cat_id > 0)
-				{
-					$this->cats->delete($cat_id,$drop_subs,$modify_subs);
-				}
+				$this->cats->delete($data);
 			}
 		}
 
diff --git a/preferences/inc/class.bocategories.inc.php b/preferences/inc/class.bocategories.inc.php
index 8599c9f673..044d5da8c1 100644
--- a/preferences/inc/class.bocategories.inc.php
+++ b/preferences/inc/class.bocategories.inc.php
@@ -104,9 +104,12 @@
 			return $this->cats->formated_list($format,$type,$cat_parent,$global_cats);
 		}
 
-		function delete($cat_id,$drop_subs,$modify_subs)
+		function delete($data)
 		{
-			$this->cats->delete($cat_id,$drop_subs,$modify_subs);
+			if (is_array($data))
+			{
+				$this->cats->delete($data);
+			}
 		}
 
 		function check_values($values)
diff --git a/preferences/inc/class.uicategories.inc.php b/preferences/inc/class.uicategories.inc.php
index 3526cfa722..1445485af0 100644
--- a/preferences/inc/class.uicategories.inc.php
+++ b/preferences/inc/class.uicategories.inc.php
@@ -530,11 +530,11 @@
 				switch (get_var('subs',array('POST')))
 				{
 					case 'move':
-						$this->bo->delete($this->cat_id,False,True);
+						$this->bo->delete(array('cat_id' => $this->cat_id,'modify_subs' => True));
 						Header('Location: ' . $GLOBALS['phpgw']->link('/index.php',$link_data));
 						break;
 					case 'drop':
-						$this->bo->delete($this->cat_id,True);
+						$this->bo->delete(array('cat_id' => $this->cat_id,'drop_subs' => True));
 						Header('Location: ' . $GLOBALS['phpgw']->link('/index.php',$link_data));
 						break;
 					default: