diff --git a/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php b/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
index 0b362ad1e0..a1bb35f092 100644
--- a/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
+++ b/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
@@ -280,7 +280,7 @@ abstract class AnnotationClassLoader implements LoaderInterface
         $globals = $this->resetGlobals();
 
         $annot = null;
-        if (\PHP_VERSION_ID >= 80000 && ($attribute = $class->getAttributes($this->routeAnnotationClass)[0] ?? null)) {
+        if (\PHP_VERSION_ID >= 80000 && ($attribute = $class->getAttributes($this->routeAnnotationClass, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null)) {
             $annot = $attribute->newInstance();
         }
         if (!$annot && $this->reader) {
@@ -372,7 +372,7 @@ abstract class AnnotationClassLoader implements LoaderInterface
     private function getAnnotations(object $reflection): iterable
     {
         if (\PHP_VERSION_ID >= 80000) {
-            foreach ($reflection->getAttributes($this->routeAnnotationClass) as $attribute) {
+            foreach ($reflection->getAttributes($this->routeAnnotationClass, \ReflectionAttribute::IS_INSTANCEOF) as $attribute) {
                 yield $attribute->newInstance();
             }
         }