diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 07f183bc..2b7ae1da 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -16,6 +16,7 @@
 use FOS\HttpCache\SymfonyCache\PurgeListener;
 use FOS\HttpCache\SymfonyCache\PurgeTagsListener;
 use FOS\HttpCache\TagHeaderFormatter\TagHeaderFormatter;
+use FOS\HttpCacheBundle\EventListener\CacheControlListener;
 use JeanBeru\HttpCacheCloudFront\Proxy\CloudFront;
 use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
 use Symfony\Component\Config\Definition\Builder\NodeBuilder;
@@ -278,7 +279,7 @@ private function addCacheControlSection(ArrayNodeDefinition $rootNode): void
                             ->end()
                         ->end()
                         ->scalarNode('ttl_header')
-                            ->defaultValue('X-Reverse-Proxy-TTL')
+                            ->defaultValue(CacheControlListener::DEFAULT_TTL_HEADER_NAME)
                             ->info('Specify the header name to use with the cache_control.reverse_proxy_ttl setting')
                         ->end()
                         ->arrayNode('rules')
diff --git a/src/DependencyInjection/FOSHttpCacheExtension.php b/src/DependencyInjection/FOSHttpCacheExtension.php
index 428054f5..d7236752 100644
--- a/src/DependencyInjection/FOSHttpCacheExtension.php
+++ b/src/DependencyInjection/FOSHttpCacheExtension.php
@@ -17,6 +17,7 @@
 use FOS\HttpCache\SymfonyCache\KernelDispatcher;
 use FOS\HttpCache\TagHeaderFormatter\MaxHeaderValueLengthFormatter;
 use FOS\HttpCacheBundle\DependencyInjection\Compiler\HashGeneratorPass;
+use FOS\HttpCacheBundle\EventListener\CacheControlListener;
 use FOS\HttpCacheBundle\Http\ResponseMatcher\ExpressionResponseMatcher;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
@@ -48,7 +49,7 @@ public function load(array $configs, ContainerBuilder $container): void
 
         if ($config['debug']['enabled'] || (!empty($config['cache_control']))) {
             $debugHeader = $config['debug']['enabled'] ? $config['debug']['header'] : false;
-            $ttlHeader = $config['cache_control']['ttl_header'] ?? null;
+            $ttlHeader = $config['cache_control']['ttl_header'] ?? CacheControlListener::DEFAULT_TTL_HEADER_NAME;
             $container->setParameter('fos_http_cache.debug_header', $debugHeader);
             $container->setParameter('fos_http_cache.ttl_header', $ttlHeader);
             $loader->load('cache_control_listener.xml');
diff --git a/src/EventListener/CacheControlListener.php b/src/EventListener/CacheControlListener.php
index d9bfbdee..5ecd47db 100644
--- a/src/EventListener/CacheControlListener.php
+++ b/src/EventListener/CacheControlListener.php
@@ -28,6 +28,8 @@
  */
 final class CacheControlListener implements EventSubscriberInterface
 {
+    public const DEFAULT_TTL_HEADER_NAME = 'X-Reverse-Proxy-TTL';
+
     /**
      * Whether to skip this response and not set any cache headers.
      */
@@ -56,7 +58,7 @@ public function __construct(
          * @var string|false Name of the header or false to add no header
          */
         private readonly string|false $debugHeader = false,
-        private readonly string $ttlHeader = 'X-Reverse-Proxy-TTL',
+        private readonly string $ttlHeader = self::DEFAULT_TTL_HEADER_NAME,
     ) {
     }