diff --git a/Test/KernelShutdownOnTearDownTrait.php b/Test/KernelShutdownOnTearDownTrait.php
index 7eb4d0726..b01dbb049 100644
--- a/Test/KernelShutdownOnTearDownTrait.php
+++ b/Test/KernelShutdownOnTearDownTrait.php
@@ -16,7 +16,9 @@
 // Auto-adapt to PHPUnit 8 that added a `void` return-type to the tearDown method
 
 if (method_exists(\ReflectionMethod::class, 'hasReturnType') && (new \ReflectionMethod(TestCase::class, 'tearDown'))->hasReturnType()) {
-eval('
+    eval('
+    namespace Symfony\Bundle\FrameworkBundle\Test;
+
     /**
      * @internal
      */