diff --git a/src/Model/Behavior/TreeBehavior.php b/src/Model/Behavior/TreeBehavior.php
index c598861956d..6f6b9f8425d 100644
--- a/src/Model/Behavior/TreeBehavior.php
+++ b/src/Model/Behavior/TreeBehavior.php
@@ -151,8 +151,7 @@ public function findChildren($query, $options) {
  * @return boolean true on success, false on failure
  */
 	public function moveUp($id, $number = 1) {
-		$config = $this->config();
-		extract($config);
+		extract($this->config());
 
 		if (!$number) {
 			return false;
@@ -203,8 +202,7 @@ public function moveUp($id, $number = 1) {
  * @return boolean true on success, false on failure
  */
 	public function moveDown($id, $number = 1) {
-		$config = $this->config();
-		extract($config);
+		extract($this->config());
 
 		if (!$number) {
 			return false;