diff --git a/stubs/Unit.php b/stubs/Unit.php
index 0f429e88..2349e27c 100644
--- a/stubs/Unit.php
+++ b/stubs/Unit.php
@@ -1,5 +1,5 @@
 <?php
 
 test('{name}', function () {
-    assertTrue(true);
+    $this->assertTrue(true);
 });