diff --git a/module/tree/model.php b/module/tree/model.php
index 86accc9394..3687157c8e 100644
--- a/module/tree/model.php
+++ b/module/tree/model.php
@@ -676,7 +676,12 @@ class treeModel extends model
             if(!$hasObjects) return;
         }
 
-        if(is_array($extra) or empty($extra)) $extra['branchID'] = $branch;
+        if(is_array($extra)) $extra['branchID'] = $branch;
+        if(empty($extra))
+        {
+            $extra = array();
+            $extra['branchID'] = $branch;
+        }
         $linkHtml = call_user_func($userFunc, $type, $module, $extra);
 
         if(isset($treeMenu[$module->id]) and !empty($treeMenu[$module->id]))