diff --git a/tests/classes/LSYS/DITest.php b/tests/classes/LSYS/DITest.php
index 895cad7..16f442f 100644
--- a/tests/classes/LSYS/DITest.php
+++ b/tests/classes/LSYS/DITest.php
@@ -51,6 +51,7 @@ public function testDi()
     }
     public function testDiSET()
     {
+        $test=null;
         \LSYS\dome_test_di::set(function()use(&$test){
             $test=new class extends \LSYS\dome_test_di{};
             return $test;