diff --git a/tests/Unit/Debug/Middleware/DebugHeadersTest.php b/tests/Unit/Debug/Middleware/DebugHeadersTest.php
index 0943d89..8e550a5 100644
--- a/tests/Unit/Debug/Middleware/DebugHeadersTest.php
+++ b/tests/Unit/Debug/Middleware/DebugHeadersTest.php
@@ -25,7 +25,7 @@ public function testHeaders(): void
         );
 
         $debugger = new Debugger(new MemoryStorage(), []);
-        $debugger->startup(new stdClass());
+        $debugger->start(new stdClass());
         $expectedId = $debugger->getId();
 
         $middleware = new DebugHeaders($urlGenerator, $debugger);